1. Education Department, The Princess Alice Hospice, West End Lane, Esher, Surrey, KT10 8NA, UK and European Institute of Health and Medical Sciences, University of Surrey, Guildford, UK
2. School of Nursing and Midwifery, Nightingale Building, University of Southampton, Highfield, Southampton SO17 1BJ, UK
3. European Institute of Health and Medical Sciences, 5th Floor, Duke of Kent Building, University of Surrey, Guildford, GU2 7TE, UK
4. School of Nursing, Faculty of Medicine, American University of Beirut, P.O. Box 11-0236, Beirut, Lebanon