- I Energy Materials and Devices
- II Materials and Devices for Displays and Optoelectronics
- III Materials and Devices for Sensors
- IV Materials, Processing, and Devices for Flexible Electronics
- V Two-dimensional van der Waals Materials: Graphene and
Beyond Graphene - VI Advanced Structural Materials
- VII Computational Materials
- VIII Advanced Fabrication, Characterization and Devices
- IX Semiconductor Materials and Devices
- X Biomaterials and Soft Materials
- XI Neuro-inspired and Quantum Computing Materials and
Devices - XII Materials-Related Interdisciplinary Issues
- XIII Synchrotron Based Analysis about Materials for Various
Application
I. Energy Materials and Devices
| Tentative Title | Name | Affiliation |
|---|---|---|
| TBA | Keynote Kyeongjae Cho |
Univ. of Texas, Dallas, USA |
| Structural degree of freedom for secondary batteries | Keynote Lin Gu |
IOP CAS, China |
| Direct Cathode Recycling of End-of-Life Li-Ion Batteries | Keynote Kyusung Park |
Nat'l Renewable Energy Lab, USA |
| Transition Metal And Oxygen Redox Reactions In Battery Electrodes Revealed By Soft X-Ray Spectroscopy | Keynote Wanli Yang |
Lawrence Berkeley Nat'l Lab, USA |
| TBA | Keynote Yan Yu |
Univ. of Sci. and Tech. of China, China |
| TBA | Shulei Chou |
Univ. of Wollongong, Australia |
| An in-situ Observation of LIB Cathodes or a Strategy to make Si-Based Anodes Commercially Viable | Jihyun Hong |
KIST, Korea |
| TBA | Li Hong |
Nanyang Technological Univ., Singapore |
| TBA | Yoon Hwa |
Arizona State Univ., USA |
| TBA | Xiaobo Ji |
Central South Univ., China |
| Complex Phase Transformations in Sodium Storage Materials with a Layered Structure | Jae Chul Kim |
Stevens Inst. of Tech., USA |
| Novel High-performance Cathode Materials for Na-ion Batteries | Jongsoon Kim |
Sungkyunkwna Univ., Korea |
| An Electrochemical Systems for Highly Efficient Low-Grade Heat Harvesting | Seokwoo Lee |
Nanyang Technological Univ., Singapore |
| Digital Twin-Driven 3D Structural and Electrochemical Modeling for Rechargeable Batteries | Yong-Min Lee |
DGIST, Korea |
| TBA | Hao Liu |
Univ. of Tech. Sydney, Australia |
| TBA | Tom Zhengtang LUO |
Hong Kong Univ. of Sci. and Tech., Hong Kong |
| TBA | Min-Sik Park |
Kyunghee Univ., Korea |
| Super-Expanded Graphite Anodes Employing Metallic Pillars for High Capacity Na-ion Batteries | Won Hee Ryu |
Sookmyung Women's Univ., Korea |
II. Materials and Devices for Displays and Optoelectronics
| Tentative Title | Name | Affiliation |
|---|---|---|
| Comprehensive Defect Passivation Strategies for Efficient Perovskite Light-Emitting Diodes | Keynote Tae-Woo Lee |
Seoul Nat'l Univ., Korea |
| Development of High Performance Metal Halide Perovskite Transistors | Keynote Yong-Young Noh |
POSTECH, Korea |
| TBA | Keynote Sang-Hee Park |
KAIST, Korea |
| Efficient Perovskite and Organic Light-Emitting Diodes | Dawei Di |
Zhejiang Univ., China |
| High-Performance Perovskite LEDs and Their Applications | Feng Gao |
Linköping Univ., Sweden |
| TBA | Tae-Hee Han |
Hanyang Univ., Korea |
| Ion Gel Electrolyte for Optoelectronic Applications | Kihyon Hong |
Chungnam Nat'l Univ., Korea |
| Multidimensional Perovskite Nanocrystals, Light-Emitting Diode and Light Conversion Applications | Won Bin Im |
Hanyang Univ., Korea |
| Metal-Based Printable Stretchable Composite Conductors | Sunho Jeong |
Kyung Hee Univ., Korea |
| Reversible, full color luminescence by post-treatment of perovskite nanocrystals | Gi-Hwan Kim |
Gyeongsang Univ., Korea |
| Unconventional EL devices using inorganic NPs and small molecules | Jiwan Kim |
Kyonggi Univ., Korea |
| TBA | Ji-Seon Kim |
Imperial College London, UK |
| How to overcome stability issues in Oxide TFTs? | Junghwan Kim |
Tokyo Inst. of Tech., Japan |
| TBA | Sunkook Kim |
Sungkyunkwan Univ., Korea |
| Ligand Engineered Bandgap Stability in Perovskite Nanocrystals Light-Emitting Diodes | Bo Ram Lee |
Pukyoung Nat'l Univ., Korea |
| TBA | Chang-Lyoul Lee |
Advanced Photonics Research Inst., Korea |
| TBA | Sang-Jin Lee |
KRICT, Korea |
| Inverse design of plasmonic structures for efficient asymmetric optical transmission with factorization machine | Eungkyu Lee |
Kyung Hee Univ., Korea |
| Recent Progress on Atomic Layer Deposited Oxide Semiconductor Thin-Film Transistor | Jin-Seong Park |
Hanyang Univ., Korea |
| Synthesis of Quantum Dots for High-Performance Optoelectronic Application | Jongnam Park |
UNIST, Korea |
| Metal Oxide Semiconductors-based Photonic Applications | You Seung Rim |
Sejong Unive., Korea |
| Conjugated polyelectrolytes as a charge transport interlayer for perovskite LEDs and solar cells | Hanyoung Woo |
Korea Univ., Korea |
| TBA | Tae-Youl Yang |
Chungnam Nat’l Univ., Korea |
III. Materials and Devices for Sensors
| Tentative Title | Name | Affiliation |
|---|---|---|
| Waste-Derived Nanocarbons for Smart Sensor Devices | Keynote Qin Li |
Griffith Univ., Australia |
| Porous conductive textiles for wearable electronices and energy | Keynote Zijian Zheng |
The Hong Kong Polytechnic Univ., Hong Kong |
| Bio-guided Artificial Neural Tactile Sensor Electronic System | Sungwoo Chun |
Korea Univ., Korea |
| Printed Wearable Sensor Array | Sungjune Jung |
POSTECH, Korea |
| Skin-Inspired Artificial Ion Electronic Skin | Unyong Jeong |
POSTECH, Korea |
| Reversible Ion Dynamics for Deformable Neuromorphic Sensors and Neurostimulators | Do Hwan Kim |
Hanyang Univ., Korea |
| Design of Interactive Metahologram using Liquid Crystallinity | Young-Ki Kim |
POSTECH, Korea |
| Biosensors towards On-Site Testing and Self-Testing | Nae-Eung Lee |
Sungkyunkwan Univ., Korea |
| Intrinsically stretchable and self-healable semiconductor polymers for skin-like sensory devices | Jin Young Oh |
Kyung Hee Univ., Korea |
| Photo-patternable, Large-area Solid-state Liquid Metal Film coated via Solution Shearing for Soft Electronics | Steve Park |
KAIST, Korea |
| Soft Epicardial Bioelectronic Patch Enabled by Fully Elastomeric Composite Materials | Kyoseung Sim |
UNIST, Korea |
| Stretchable Self-Healing Materials and Devices for Chronic Peripheral Neural Interfaces | Donghee Son |
Sungkyunkwan Univ., Korea |
| Stretchable Ionic Sensors | Jeong-Yun Sun |
Seoul Nat'l Univ., Korea |
| Multi-Modal Flexible Sensor System with Feedback Function | Kuniharu Takei |
Osaka Prefecture Univ., Japan |
IV. Materials, Processing, and Devices for Flexible Electronics
| Tentative Title | Name | Affiliation |
|---|---|---|
| Materials the Activator of Our Prosperity | Keynote Rodrigo Martins |
UNINOVA Research Inst., Portugal |
| Soft network materials and their applications in bio-integrated devices | Keynote Yihui Zhang |
Tsinghua Univ., China |
| TBA | Benjamin Agyei-Tuffour |
Univ. of Ghana, Ghana |
| TBA | Hui Fang |
Northeastern Univ., USA |
| Skin-Interfaced Wearable Biosensors | Wei Gao |
Califonia Inst. of Tech., USA |
| Soft, Resorbable Bioelectronics | Suk Won Hwang |
Korea Univ., Korea |
| Instant, multi-scale dry transfer printing by atomic diffusion control at heterogeneous interfaces | Kyung-In Jang |
DGIST, Korea |
| Soft Wireless Optofluidic Neural Interfaces: Opportunities and Challenges for Chronic and Target-Specific Neuromodulation | Jae-Woong Jeong |
KAIST, Korea |
| Biodegradable and stretchable electronics using metallic glass nanofilm | Seung-Kyun Kang |
Seoul Nat’l Univ., Korea |
| TBA | Kyeongha Kwon |
KAIST, Korea |
| High-Resolution 3D Printing of Liquid Metals for Bioelectronics | Jang-Ung Park |
Yonsei Univ., Korea |
| Implantable Optoelectronic Devices for Advanced Neural Interfaces | Xing Sheng |
Tsinghua University, China |
| TBA | Jianliang Xiao |
Univ. of Colorado, USA |
| TBA | Hong Yeo |
Georgia Inst. of Tech., USA |
| TBA | Cunjiang Yu |
Univ. of Houston, USA |
V. Two-dimensional van der Waals Materials: Graphene and Beyond Graphene
| Tentative Title | Name | Affiliation |
|---|---|---|
| Carbon Nanocages: A New Platform for Advanced Energy Conversion and Storage | Keynote Zheng Hu |
Nanjing Univ., China |
| Recent Advances in Two-Dimensional Materials Science Using Atomic-Resolution TEM/STEM |
Keynote Zonghoon Lee |
UNIST, Korea |
| Ab Initio Study of Two-Dimentional Transiton Metal Carbides/Borides | Keynote Zhimei Sun |
Beihang Univ., China |
| Tunable Wettability of Graphene through Non-Destructive Hydrogenation and Wettability-Based Patterning for Bio-Applications | Jongill Hong |
Yonsei Univ., Korea |
| TBA | Kibum Kang |
KAIST, Korea |
| Tuning the Electrical Properties of Two-Dimensional Transition Metal Selenides and Its Applications: First-Principles Studies | Won June Kim |
Changwon Nat'l Univ., Korea |
| TBA | Chul-Ho Lee |
Korea Univ., Korea |
| Methodology for surface functionalization and phase transition of 2D materials | Gwan Hyung Lee |
Seoul Nat'l Univ., Korea |
| Raman Spectroscopic Investigations of 2D Crystals | Jae-Ung Lee |
Ajou Univ., Korea |
| Electrical and Optical Control of 2D Quantum Light Sources | Jieun Lee |
Seoul Nat'l Univ., Korea |
| Tuning the Schottky Barrier height of Two-dimensional van der Waals Metal-Semiconductor Structures | Shuang Li |
Nanjing Univ. of Sci. and Tech., China |
| Rational Design of Schottky and Ohmic Contact between Two Dimensional Materials |
Wei Liu |
Nanjing Univ. of Sci. and Tech., China |
| Substrate Engineering of elemental 2D materials | Tianchao Niu |
Shanghai Jiaotong Univ., China |
| TBA | Jae Hun Seol |
GIST, Korea |
| Extrinsically Doped Two-Dimensional Semiconductors | Joonki Suh |
UNIST, Korea |
| High Transparency, Flexibility, Stretchability of Transfer-Free Graphene Electrodes Grown at 100 oC for Display Applications | Soon-Gil Yoon |
Chungnam Nat'l Univ., Korea |
VI. Advanced Structural Materials
| Tentative Title | Name | Affiliation |
|---|---|---|
| Microstructure and Mechanical Properties of Ultrahigh Strength Mg-Y-Ni Alloys Containing LPSO Phase | Keynote M. Y. Zheng |
Harbin Inst. of Tech., China |
| Establishment of Alloy Design and Heat Treatment Procedure for Improving Elastic Moduli of Aluminum | Shoichi Hirosawa |
Yokohama Nat'l Univ., Japan |
VII. Computational Materials
| Tentative Title | Name | Affiliation |
|---|---|---|
| TBA | Keynote Graeme Henkelman |
Univ. of Texas at Austin, USA |
| Phase Transition and Metal Exsolution in Perovskites to Enhance the Catalytic Activity | Jeong Woo Han |
POSTECH, Korea |
| TBA | Sang Soo Han |
KIST, korea |
| First-Principles-Based Multiscale Modeling of Electrified Interfaces | Hyungjun Kim |
KAIST, Korea |
| AI-Based New Materials Design | Donghwa Lee |
POSTECH, Korea |
| TBA | Zhipan Liu |
Fudan Univ., China |
| TBA | Dong-Hwa Seo |
UNIST, Korea |
| TBA | Hyeyoung Shin |
Chungnam Nat'l Univ., Korea |
| TBA | Yoshitaka Tateyama |
Nat'l Inst. for Materials Sci., Japan |
| TBA | Jinlan Wang |
South East Univ., China |
| Band Structure Engineerign and Molecular Design of Two-Dimensional Nonmetal Photocatalyst toward Water Splitting | Xiaojun Wu |
Univ. of Sci. and Tech. of China, China |
| Reviving Inert Oxides for Electrochemical Water Splitting by Subsurface Engineering | Liang Zhang |
Tsinghua Univ., China |
VIII. Advanced Fabrication, Characterization and Devices
| Tentative Title | Name | Affiliation |
|---|---|---|
| Advanced Atomic Layer Deposition | Keynote Tae Joo Park |
Hanyang Univ., Korea |
| In situ XPS and SXAS study on the gas adsorption on Fe-N-C catalyst for oxygen reduction | Bumkyun Jeong |
KBSI, Korea |
| Synchrotron X-ray Spectroscopy Study of Interface States in Two-Dimensional Electron Systems | Deok-Yong Cho |
Jeonbuk Nat'l Univ., Korea |
| TBA | Jonghwan Kim |
POSTECH, Korea |
| TBA | Charlene Lobo |
Univ. of Tech. Sydney, Australia |
| The Role of Precursor Design on Area-Selective Atomic Layer Deposition | Il-Kwon Oh |
Ajou Univ., Korea |
| Defect Chemistry in Fluorite-Structured Ferroelectric Thin Films for Nanoelectronics Devices | Min Hyuk Park |
Pusan Nat'l Univ., Korea |
| Visualization of Polar Nanostructure in Ferroelectrics via Electron Microscopy | Yukio Sato |
Kyushu Univ., Japan |
| Atomic and Electronic Reconstruction at Van der Waals Interface in Twisted 2-D Materials | Hyobin Yoo |
Sogang Univ., Korea |
IX. Semiconductor Materials and Devices
| Tentative Title | Name | Affiliation |
|---|---|---|
| Quasi-Static Negative Capacitance in Dielectric/Ferroelectic Layers | Keynote Cheol Seong Hwang |
Seoul Nat'l Univ., Korea |
| RRAM Based Synapse and Neuron Device for Neuromorphic Pattern Recognition System | Keynote Hyunsang Hwang |
POSTECH, Korea |
| Novel Ternary Logic Devices and Architectures Enabling Extreme Low Power Computing | Keynote Byoung Hun Lee |
POSTECH, Korea |
| TBA | Ho-Young Cha |
Hongik Univ., Korea |
| TBA | Sungjae Cho |
KAIST, Korea |
| Monolithic 3D Integration for Future Semiconductor Development | Rino Choi |
Inha Univ., Korea |
| Ga2O3 RF field-effect transistors for extreme environment electronics | Masataka Higashiwaki |
Nat'l Inst. of Information & Communications Tech., Japan |
| TBA | Sun-Gu Hong |
Chungnam Nat'l Univ., Korea |
| TBA | Sanghun Jeon |
KAIST, Korea |
| Monolithic 3D with III-V compound for Mixed-signal IC | Sanghyeon Kim |
KAIST, Korea |
| Colossal flexoresistance in dielectrics | Daesu Lee |
POSTECH, Korea |
| Comprehensive Review on the Development of High Mobility of Amorphous Oxide Semiconductor Thin Film Transistors | Sang Yeol Lee |
Gachon Univ., Korea |
| TBA | Sanghan Lee |
GIST, Korea |
| Atomic layer deposition of SrTiO3 thin films and their applications to DRAM capacitors | Woongkyu Lee |
Myongji Univ., Korea |
| Analog content-addressable memory with integrated nanoscale memristors | Can Li |
The Univ. of Hong Kong, Hong Kong |
| Development of two-dimensional and three-dimensional passive memristor arrays | Peng Lin |
Zhejiang Univ., China |
| Ultra-wide bandgap materials for next generation high power applications | Farid Medjdoub |
IEMN, France |
| TBA | Beatriz Noheda |
Univ. of Groningen, Netherlands |
| FDSOI: the optimum solution to co-integrate the different market requirements | Luca Pirro |
GlobalFoundries, USA |
| TBA | Sayeef Salahuddin |
Univ. of California, Berkeley, USA |
| Influence of Dopants and Oxygen Vacancies on the Stabilization of the Ferroelectric Phase in Doped Hafnium Oxide Films | Uwe Schroeder |
NaMLab gGmbH, Germany |
| TBA | Jin Dong Song |
KIST, Korea |
| Oxide memristors for emerging applications | Jung Ho Yoon |
KIST, Korea |
X. Biomaterials and Soft Materials
| Tentative Title | Name | Affiliation |
|---|---|---|
| Micro/nanotechnology for cancer immunotherapy | Keynote Junsang Doh |
Seoul Nat’l Univ., Korea |
| Multifunctional Photonic Nanomaterials for Smart Healthcare Applications | Keynote Sei Kwang Hahn |
POSTECH, Korea |
| Injectable Biomaterials Matrices for Therapeutic Applications | Keynote Ki Dong Park |
Ajou Univ., Korea |
| The Potential of Functional Graphene Nanomaterials for Medical Devices | Dong-Wook Han |
Pusan Nat'l Univ., Korea |
| Versatile approaches of unconventional lithographic methods in biomedical applications | Suckwon Hong |
Pusan Nat'l Univ., Korea |
| Initiated Chemical Vapor Deposition of Functional Polymer films and their Biomaterials and Soft Materials Applications | Sung Gap Im |
KAIST, Korea |
| Flexible, miniaturized and long-term reliable neural interfacing devices for neural engineering | Joonsoo Jeong |
Pusan Nat’l Univ., Korea |
| Molecular Design Strategy of Dynamic Materials for Next Generation Soft Electronics | Jiheong Kang |
KAIST, Korea |
| Microfluidic Synthesis of Artificial Cell-Like Polymersomes for Functional Reactors | Hyomin Lee |
POSTECH, Korea |
| Nanomaterials toward the non-destructive monitoring of stem cell differentiation | Jin-Ho Lee |
Pusan Nat'l Univ., Korea |
| Microenvironment engineering for tissue regeneration | Jung Seung Lee |
Sungkyunkwan Univ., Korea |
| Development of Synthetic Cellular Components Based on Nucleic Acid Biomaterials | Seung Soo Oh |
POSTECH, Korea |
| TBA | Changhyun Pang |
Sungkyunkwan Univ., Korea |
| Intracellular polymerization and self-assembly for supramolecular approach to control cellular fate | Ja-Hyoung Ryu |
UNIST, Korea |
| Designing high-aspect-ratio nanostructures for interfacing and influencing biological system | Hyejeong Seong |
KIST, Korea |
| Nature-Inspired Adhesive and Conductive Biomaterials for Advanced 3D Printing | Mikyung Shin |
Sungkyunkwan Univ., Korea |
| Photo-crosslinkable biopolymers for drug delivery and wound healing | Seung Yun Yang |
Pusan Nat'l Univ., Korea |
XI. Neuro-inspired and Quantum Computing Materials and Devices
| Tentative Title | Name | Affiliation |
|---|---|---|
| Development of Quantum Computing with Superconducting Circuits | Gahyun Choi |
KRISS, Korea |
| Quantum Algorithms on a Programmable Atomic Tweezer Array | Minho Kwon |
Columbia Univ., USA |
| TBA | Moonjoo Lee |
POSTECH, Korea |
| Probabilistic computing based on random nanomagnets and Invertible logic circuits | Ouk Jae Lee |
KIST, Korea |
| Isotope Engineering and Nanoscale Imaging for Scaling Silicon Quantum Technology | Satoru Miyamoto |
Nagoya Univ., Japan |
| Single-shot Single-Gate RF Spin Readout in P-donor Quantum Dots | Prasanna Pakkiam |
Univ. of Queensland, Australia |
| Hybrid digital neuromorphic systems for bio-inspired artificial intelligence | Jongkil Park |
KIST, Korea |
| Role of Hyperfine Effects in Single-Hole GaAs/AlGaAs Spin Qubit Devices Probed in EDSR Experiments | Sergei Studenikin |
Nat'l Research Council, Canada |
| Fast-converging in-situ training of hardware-implemented TiOx memristor arrays | Gunuk Wang |
Korea Univ., Korea |
XII. Materials-Related Interdisciplinary Issues
| Tentative Title | Name | Affiliation |
|---|---|---|
| TBA | Keynote Jeehwan Kim |
Massachusetts Inst. of Tech., USA |
| Advanced techniques for the treatment of volatile organic compounds in ambient air through the development of functional materials based on non-photocatalysis and reactive adsorption | Keynote Ki-Hyun Kim |
Hanyang Univ., Korea |
| TBA | Keynote Zetian Mi |
Univ. of Michigan, USA |
| III-V Semiconductor Nanostructures for Optoelectronics and Energy Applications | Keynote Hoe Tan |
Australian Nat'l Univ., USA |
| Promising Plasmon Core-Shell Photocatalysts for Light-Driven Hydrogen Production | Dung Van Dao |
Korea Univ., Korea |
| Versatile Magnetoresistive sensors for monitoring physico-mechanical vital signals | Cheol Gi Kim |
DGIST, Korea |
| The Wide-Bandgap Perovskite for Tandem Solar Cells | Dong Hoe Kim |
Sejong Univ., Korea |
| Manufacturing and Applications of 3D-printed Metal and Ceramic Microreactors | Dong-Pyo Kim |
POSTECH, Korea |
| Discovery of Novel Cathode Materials for High-Performance Li-/Na-Ion Batteries | Jong Soon Kim |
Sungkyunkwan Univ., Korea |
| High Resolution in-situ TEM Study of Low Dimensional Materials | Moon Kim |
The Univ. of Texas at Dallas, USA |
| Principles and Development of Remote Epitaxy for Advanced Materials | Sungkyu Kim |
Sejong Univ., Korea |
| TBA | Eilhann Kwon |
Sejong Univ., Korea |
| Integration of III-V Nanowire on Si and Their Device Applications | Katsuhiro Tomioka |
Hokkaido Univ., Japan |
XIII. Synchrotron Based Analysis about Materials for Various Application
| Tentative Title | Name | Affiliation |
|---|---|---|
| Ambient Pressure NEXAFS System for In-situ/Operanto Analysis of Catalyst Materials | Keun Hwa Chae |
KIST, Korea |
| In situ XPS and SXAS study on the gas adsorption on Fe-N-C catalyst for oxygen reduction | Beomkyun Jeong |
KBSI, Korea |
| TBA | Dong-Hyun Kim |
Chungbuk Nat'l Univ., Korea |
| TBA | Hyo Jung Kim |
Pusan Nat'l Univ., Korea |
| Exploring the band structure of quantum materials with microARPES and nanoARPES | Keun Su Kim |
Univ. of Yonsei, Korea |
| TBA | Yu Jin Kim |
Argonne Nat'l Lab., USA |
| TBA | Doo-Hyun Ko |
Kyung Hee Univ., Korea |
| Spectroscopic Analysis of the Defect-induced Variation of Oxygen Vacancies on the Photocatalytic Activity of Metal Oxide Nanoparticles | Hangil Lee |
Sookmyung Women's Univ., Korea |
| Defect Management for Halide Perovskite Solar Cells and LEDs | Jongwoo Lim |
Seoul Nat’l Univ., Korea |
| Study of SrTiO3 (001) surface using ambient pressure XPS | Bongjin Simon Mun |
GIST, Korea |
| Revealing Side Reacting Compound from Isopropanol for stabilizing Alpha-Formamidinium Lead Triiodide Thin Film by Sequantial Process and its Application to One-Step Process | Byung-wook Park |
UNIST, Korea |
| Advantageous features in materials probing techniques expected with the proposing light source at Ochang in Korea | Hyun-Joon Shin |
Chungbuk Nat'l Univ., Korea |
| Synchrotron Based Researches on Reaction Behaviors of Organic Molecules on Ge(100) Surface | Young-Sang Youn |
Yeungnam Univ., Korea |
| Organic Semiconductor for Photoelectrochemical Application | Jun-Ho Yum |
EPFL (École polytechnique fédérale de Lausanne), Switzerland |
as of April 22, 2021