1. Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, CA 94158, USA.
2. Institute for Human Genetics, University of California San Francisco, San Francisco, CA 94158, USA.
3. Doctor of Philosophy Program in Medical Sciences, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
4. Diabetes Center, University of California San Francisco, San Francisco, CA 94143, USA.