1. R&D Unit, Amorepacific Corporation, Yongin-si, Gyeonggi-do, Korea
2. Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
3. Department of Pathology, University of Washington, Seattle, WA, USA
4. Department of Medicine, Diabetes Research and Training Center, Albert Einstein College of Medicine, Bronx, NY, USA
5. Institute for Aging Research, Diabetes Research and Training Center, Albert Einstein College of Medicine, Bronx, NY, USA