1. Department of Medical Nursing, Faculty of Nursing, Mahidol University, Bangkok, Thailand
2. School of Nursing, Peking University, Beijing, China
3. Ramathibodi School of Nursing, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
4. School of Nursing, The University of Hong Kong, Hong Kong, China
5. The College of Arts and Sciences, Case Western Reserve University, Cleveland, USA