1. Department of Biochemistry, Yong Loo Lin School of Medicine; National University of Singapore; Singapore 119077 Singapore
2. NUS Graduate School for Integrative Sciences and Engineering; National University of Singapore; Singapore 119077 Singapore
3. Division of Medical Sciences, Humphrey Oei Institute of Cancer Research; National Cancer Centre Singapore, 11 Hospital Drive; Singapore 169610 Singapore
4. Duke-National University of Singapore Graduate Medical School; Singapore 169547 Singapore