1. Skin Research Institute Singapore Agency for Science, Technology and Research Singapore Singapore
2. Department of Molecular and Medical Pharmacology Crump Institute for Molecular Imaging David Geffen School of Medicine, UCLA Los Angeles CA U.S.A.
3. Department of Drug Discovery College of Pharmacy Medical University of South Carolina Charleston SC U.S.A.
4. UCLA‐DOE Institute for Genomics and Proteomics Los Angeles CA U.S.A.