1. Department of Nursing Science University of Turku Turku Finland
2. School of Nursing The Hong Kong Polytechnic University Hong Kong (SAR)China
3. Department of Psychiatry Pamela Youde Nethersole Eastern Hospital Hospital Authority Hong Kong (SAR)China
4. Department of Psychiatry Tai Po Hospital Hospital Authority Hong Kong (SAR)China
5. Department of Psychiatry Kowloon Hospital Hospital Authority Hong Kong (SAR)China
6. Kwai Chung Hospital Hospital Authority Hong Kong (SAR) China