1. Division of Gastroenterology and Hepatology University of Michigan Ann Arbor Michigan USA
2. Liver Center, Division of Gastroenterology, Department of Medicine Massachusetts General Hospital Boston Massachusetts USA
3. Department of Medicine, Yong Loo Lin School of Medicine National University of Singapore Singapore
4. Division of Gastroenterology and Hepatology, Department of Medicine National University Health System Singapore
5. NAFLD Research Center Division of Gastroenterology and Hepatology. University of California at San Diego La Jolla California USA