1. Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
2. Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; CUHK Medical Centre, Hong Kong SAR, China
3. CUHK Medical Centre, Hong Kong SAR, China; The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
4. CUHK Medical Centre, Hong Kong SAR, China
5. Division of Neurology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China