1. School of Medicine, Faculty of Medicine and Health, University of Leeds, Leeds, United Kingdom
2. Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
3. Department of Surgery, The Chinese University of Hong Kong, Hong Kong SAR, China
4. Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
5. Department of Anaesthesia and Intensive Care, Prince of Wales Hospital, Hong Kong SAR, China
6. The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
7. Department of Medicine, McMaster University, Hamilton, Canada
8. SH Ho Urology Centre, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China