1. Medically Associated Science and Technology (MAST) Program Cedars‐Sinai Medical Center Los Angeles CA USA
2. Hepatogastroenterology Unit 2nd Department of Internal Medicine – Propaedeutic Research Institute and Diabetes Center Medical School Attikon University General Hospital National and Kapodistrian University of Athens Athens Greece
3. Department of Internal Medicine Kangwon National University School of Medicine Chuncheon South Korea