1. Seoul National University College of Medicine and Hospital, Seoul, South Korea
2. Emory University School of Medicine, Atlanta, GA, USA
3. The Rollins School of Public Health, Emory University, Atlanta, GA, USA
4. The Catholic University, Seoul, South Korea
5. Korea University, Seoul, South Korea
6. USC Keck School of Medicine, Los Angeles, CA, USA
7. Weill Cornell–New York Presbyterian Hospital, NY, USA