1. Division of Cardiology; Department of Medicine; the University of Hong Kong; Queen Mary Hospital; Hong Kong China
2. Traffic Hospital in Shan Dong Province; China
3. Division of Dermatology; Department of Medicine; the University of Hong Kong; Queen Mary Hospital; Hong Kong China
4. Research Centre of Heart, Brain, Hormone and Healthy Aging; Li Ka Shing Faculty of Medicine; the University of Hong Kong; Hong Kong China
5. Department of Clinical Biochemistry Unit; Queen Mary Hospital; Hong Kong China