1. Novartis Institute for Tropical Diseases, 138670 Singapore, Singapore.
2. Yong Loo Lin School of Medicine, National University of Singapore, 119228 Singapore, Singapore.
3. Genomics Institute of the Novartis Research Foundation, San Diego, CA 92121, USA.
4. Institute of Chemical Biology & Drug Discovery, Stony Brook University, Stony Brook, NY 11794–3400, USA.