1. Daegu Geongbuk Institute of Science and Technology (DGIST), Daegu 42899, South Korea
2. Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
3. Center for Intelligent Sensors and MEMS, National University of Singapore, Singapore 117608, Singapore
4. Hybrid-Integrated Flexible (Stretchable) Electronic Systems Program, National University of Singapore, E6 #05-4, 5 Engineering Drive 1, Singapore 117608, Singapore
5. NUS Suzhou Research Institute (NUSRI), Suzhou Industrial Park, Suzhou 215123, People’s Republic of China
6. Singapore Institute for Neurotechnology (SINAPSE), Singapore 117456, Singapore