[1] Imperial Coll London, Fac Med, Dept Primary Care & Publ Hlth, London, England
[2] NIHR Appl Res Collaborat Northwest London, Ethnic & Hlth Unit, London, England
[3] MWAPO Hlth Dev Grp, Nairobi, Kenya
[4] Kenyan Hosp & Palliat Care Assoc, Nairobi, Kenya
[5] Aga Khan Univ Hosp, Dept Med, Nairobi, Kenya
[6] Med Univ South Carolina, Coll Nursing, Charleston, SC 29425 USA
[7] Clemson Univ, Coll Behav Social & Hlth Sci, Dept Publ Hlth Sci, Clemson, SC 29634 USA