1. Centre for Gerontological Nursing, School of Nursing, The Hong Kong Polytechnic University, Hong Kong
2. Department of Family Medicine and Primary Care, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
3. Department of Medicine, Fung Yiu King Hospital, Hong Kong
4. School of Nursing, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
5. Department of Health Education and Promotion, Clalit Health Services, Israel; School of Public Health, University of Haifa, Israel
6. Centre on Research and Advocacy, Hong Kong Society for Rehabilitation, Hong Kong
7. USC Suzanne Dworak-Peck School of Social Work, University of Southern California, Los Angeles, United States