1 Department of Gastroenterology and Hepatology, College of Medicine, The Catholic University of Korea, Seoul, Korea.
2 The Catholic University Liver Research Center, The Catholic University of Korea, Seoul, Korea.
3 Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea.
4 State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China.