[1] Hlth Act Int, Overtoom 60 2, NL-1054 HK Amsterdam, Netherlands
[2] Univ Utrecht, Utrecht Ctr Pharmaceut Policy & Regulat, Utrecht Inst Pharmaceut Sci UIPS, Div Pharmacoepidemiol & Clin Pharmacol, Heidelberglaan 8, NL-3584 CS Utrecht, Netherlands
[3] Nine Planets, Access Med Platform Kenya, Kabarnet Rd Nairobi, Nairobi, Kenya