1. Faculty of Health and MedicineSchool of Nursing and Midwifery, The University of Newcastle Callaghan New South Wales Australia
2. College of Health and Human Sciences, Colorado State University Fort Collins Colorado USA
3. Department of Social SciencesThe Hong Kong Polytechnic University Kowloon Hong Kong
4. School of Nursing, The Hong Kong Polytechnic University Kowloon Hong Kong
5. University of Newcastle Singapore