1. Cicely Saunders Institute of Palliative Care, Policy and Rehabilitation, Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King's College London, London, UK
2. The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
3. Xiangya Nursing School, The Central South University, Changsha, Hunan, China
4. The School of Nursing, Jiujiang University, Jiujiang, Jiangxi, China