1. School of Nursing, Hong Kong Polytechnic University, Kowloon, Hong Kong.
2. School of Nursing and Midwifery, University of Newcastle, Callaghan, Australia.
3. Department of Health and Physical Education, Education University of Hong Kong, New Territories, Hong Kong.
4. School of Optometry, Hong Kong Polytechnic University, Kowloon, Hong Kong.
5. Department of Rehabilitation Sciences, Hong Kong Polytechnic University, Kowloon, Hong Kong.
6. School of Medical and Health Sciences, Tung Wah College, Kowloon, Hong Kong.