1. School of Nursing and Health Studies Hong Kong Metropolitan University Ho Man Tin Hong Kong, China
2. School of Public Policy and Management China University of Mining and Technology Xuzhou China
3. School of Nursing The Hong Kong Polytechnic University Hung Hom Hong Kong, China
4. Interdisciplinary Centre for Qualitative Research, School of Nursing The Hong Kong Polytechnic University Hung Hom Hong Kong, China