[1] Kings Coll London, Cicely Saunders Inst Palliat Care Policy & Rehabil, Bessemer Rd, London SE5 9PG, England
[2] Royal Marsden NHS Fdn Trust, Sutton, England
[3] Great Ormond St Inst Child Hlth, Fac Populat Hlth Sci, London, England
[4] UCL, Louis Dundas Ctr Childrens Palliat Care, London, England
[5] Rutgers State Univ, New Brunswick, NJ USA
[6] Int Childrens Palliat Care Network, Kampala, Uganda
[7] Hull York Med Sch, Wolfson Palliat Care Res Ctr, Kingston Upon Hull, England