[1] Icahn Sch Med Mt Sinai, New York, NY 10029 USA
[2] Univ Navarra, Inst Culture & Soc, ATLANTES Res Program, Pamplona, Spain
[3] Inst Hlth Res Navarra, IdiSNA Inst Invest Sanitaria Navarra, Pamplona, Spain
[4] Univ Navarra, Sch Med, Pamplona, Spain
[5] African Palliat Care Assoc, Kampala, Uganda
[6] Int Assoc Hosp & Palliat Care, Houston, TX USA
[7] MWAPO Hlth Dev Grp, Nairobi, Kenya
[8] Univ Navarra, Inst Culture & Soc, Dept Stat, Pamplona, Spain
[9] Univ Navarra, Clin Univ Navarra, Pamplona, Spain