1. School of Chemical and Biomedical EngineeringNanyang Technological University 62 Nanyang Drive 637459 Singapore Singapore
2. School of Electrical and Electronic EngineeringNanyang Technological University 50 Nanyang Ave 639798 Singapore Singapore
3. NTU‐Northwestern Institute for NanomedicineNanyang Technological University 50 Nanyang Avenue 639798 Singapore Singapore