1. Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
2. Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, 8 Medical Drive, Singapore 117597, Singapore
3. National University of Singapore (Suzhou) Research Institute, No. 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China