1. Department of Medicine & Therapeutics Chinese University of Hong Kong Hong Kong China
2. Department of Medicine & Therapeutics Prince of Wales Hospital Hong Kong China
3. Department of Medicine & Geriatrics United Christian Hospital Hong Kong China
4. Department of Medicine & Geriatrics Princess Margaret Hospital Hong Kong China
5. Department of Medicine Pamela Youde Nethersole Eastern Hospital Hong Kong China
6. Department of Medicine Queen Elizabeth Hospital Hong Kong China
7. Department of Medicine The University of Hong Kong Hong Kong China
8. Department of Medicine Queen Mary Hospital Hong Kong China
9. Department of Medicine & Geriatrics Kwong Wah Hospital Hong Kong China
10. Department of Medicine Tseung Kwan O Hospital Hong Kong China
11. Department of Medicine & Geriatrics Caritas Medical Centre Hong Kong China
12. Department of Medicine North District Hospital Hong Kong China
13. Department of Medicine Alice Ho Miu Ling Nethersole Hospital Hong Kong China