1. Division of Rheumatology & Clinical Immunology, Department of Medicine University of Hong Kong Pokfulam Hong Kong
2. Department of Medicine Queen Mary Hospital Pokfulam Hong Kong
3. Department of Medicine & Geriatrics Kwong Wah Hospital Yau Ma Tei Hong Kong
4. Department of Medicine Alice Ho Miu Ling Nethersole Hospital Tai Po Hong Kong
5. Department of Medicine Queen Elizabeth Hospital Jordan Hong Kong
6. Department of Medicine Tseung Kwan O Hospital Tseung Kwan O Hong Kong
7. Department of Medicine Yan Chai Hospital Tsuen Wan Hong Kong
8. Department of Medicine & Therapeutics The Chinese University of Hong Kong Shatin Hong Kong