1. Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong.
2. Clinical Centre for Teaching and Research in Chinese Medicine, The University of Hong Kong.
3. Department of Diagnostic and Interventional Radiology, Hong Kong Sanitarium and Hospital, Hong Kong.
4. Department of Medicine, Tung Wah Hospital; Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong.