1. Department of Nursing, and Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology , Chiayi County 61363, Taiwan
2. School of Nursing, Midwifery and Paramedicine, University of Sunshine Coast, 1 Moreton Bay Parade , Petrie, QLD 4052, Australia
3. Royal Brisbane and Women's Hospital, Herston , QLD 4006 Australia