1. School of Nursing; The Hong Kong Polytechnic University; Kowloon Hong Kong
2. Lawrence S. Bloomberg Faculty of Nursing; University of Toronto; Toronto Ontario Canada
3. Department of Care Science; Malmö University; Malmö Sweden
4. School of Nursing; Tung Wah College; Kowloon Hong Kong
5. Department of Vascular Disease; Skåne University Hospital; Malmö Sweden