1. Department of Organic Materials and Fiber Engineering, Smart Wearable Engineering, Information Communication Materials, and Convergence Technology, Soongsil University, 369 Sangdo-ro, Dongjak-gu, Seoul 06978, Republic of Korea
2. Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32816, United States
3. Department of Mechanical Engineering, Ajou University, Suwon 16499, Republic of Korea
4. Department of Electronics Convergence Engineering, Kwangwoon University, Seoul 01897, Republic of Korea
5. Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, Missouri 65201, United States
6. Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China
7. Center for Flexible Electronics Technology and Center for Mechanics and Materials, AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
8. Center for Bio-Integrated Electronics, Departments of Materials Science and Engineering, Biomedical Engineering, Chemistry, Mechanical Engineering, Electrical Engineering and Computer Science, and Neurological Surgery, Simpson Querrey Institute for Nano/biotechnology, McCormick School of Engineering and Feinberg School of Medicine, Northwestern University, Evanston, Illinois 60208, United States