1. Department of Chemistry and Quebec Center for Advanced Materials (QCAM), McGill University, 801 Sherbrooke Street West, Montreal, QC H3A 0B8, Canada
2. Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
3. Life Science Institute, Neurobiology Programme, Centre for Life Sciences, National University of Singapore, Singapore 117456, Singapore
4. Laboratory of Chemical Biology, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States