1. Department of Medicine and Geriatrics Ruttonjee Hospital Wan Chai Hong Kong
2. Department of Surgery Ruttonjee Hospital Hong Kong
3. Department of Surgery Queen Mary Hospital, The University of Hong Kong Pokfulam Hong Kong
4. Department of Medicine Queen Mary Hospital, The University of Hong Kong Pokfulam Hong Kong
5. Department of Surgery Pamela Youde Nethersole Eastern Hospital Chai Wan Hong Kong
6. Department of Medicine Pamela Youde Nethersole Eastern Hospital Chai Wan Hong Kong
7. Department of Surgery North Lantau Hospital Lantau Island Hong Kong
8. Department of Medicine and Geriatrics Princess Margaret Hospital Kwai Tsing Hong Kong
9. Department of Surgery Tseung Kwan O Hospital Tseung Kwan O Hong Kong
10. Department of Medicine Tseung Kwan O Hospital Tseung Kwan O Hong Kong