1. Xiangya School of Nursing, Central South University, No.172 Tongzipo Road, Yuelu District, Changsha 410013, China
2. School of Rural Health, Monash University, 15 Sargeant Street, Warragul, VIC 3820, Australia
3. School of Nursing, Xinjiang Medical University, No.168 Youyi South Road, Urumqi 830054, China