1. School of Electrical and Electronic EngineeringNanyang Technological University Singapore Singapore
2. Department of GastroenterologyRenmin Hospital of Wuhan University Wuhan China
3. State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic InformationUniversity of Electronic Science and Technology of China Chengdu China
4. School of Chemical and Biomedical EngineeringNanyang Technological University Singapore Singapore