1. Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, SAR, China
2. Professor, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Prince of Wales Hospital.
3. Professor and Director of Medical Education, Centre of Medical Education, Faculty of Medicine, Health Sciences Centre, Safat, Kuwait.
4. Research Assistant, Department of Biochemistry, The Basic Medical Sciences Building, Chinese University of Hong Kong.