1. Department of Electrical and Computer Engineering, Inter-University Semiconductor Research Center, Seoul National University, Seoul, Republic of Korea.
2. Department of Mechanical and Aerospace Engineering, Institute of Advanced Machines and Design, Seoul National University, Seoul, Republic of Korea.
3. Soft Robotics Research Center, Seoul National University, Seoul, Republic of Korea.
4. Photoelectronic Hybrids Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea.
5. Department of Physics and Astronomy, Seoul National University, Seoul, Republic of Korea.