1. Department of Electrical & Computer EngineeringNational University of Singapore 4 Engineering Drive 3 Singapore 117576 Singapore
2. National University of Singapore Suzhou Research Institute (NUSRI) Suzhou Industrial Park Suzhou 215123 China
3. Center for Intelligent Sensors and MEMSNational University of Singapore 5 Engineering Drive 1 Singapore 117608 Singapore
4. Hybrid Integrated Flexible Electronic Systems (HIFES) 5 Engineering Drive 1 Singapore 117608 Singapore
5. i‐Lab Suzhou Institute of Nano‐Tech and Nano‐BionicsChinese Academy of Sciences (CAS) Suzhou 215123 China