[1] Univ Oxford, Oxford Uehiro Ctr Pract Eth, Oxford, England
[2] Great Ormond St Hosp Children NHS Fdn Trust, Louis Dundas Ctr Childrens Palliat Care, London, England
[3] John Radcliffe Hosp, Oxford, England
[4] Murdoch Childrens Res Inst, Melbourne, Vic, Australia
[5] Natl Univ Singapore, Ctr Biomed Eth, Singapore, Singapore
[6] Univ Oxford, Oxford Uehiro Ctr Pract Eth, Oxford OX1 1PT, England