[1] Karolinska Inst, Dept Global Publ Hlth, Hlth Syst & Policy, SE-17177 Stockholm, Sweden
[2] Queen Elizabeth Cent Hosp, Dept Anaesthesia & Intens Care, Blantyre, Malawi
[3] Queen Elizabeth Cent Hosp, Dept Paediat, Blantyre, Malawi
[4] Univ Malawi, Coll Med, Dept Paediat, Blantyre, Malawi
[5] Karolinska Univ Hosp, Perioperat Med & Intens Care, Stockholm, Sweden
[6] Karolinska Univ Hosp, Astrid Lindgren Childrens Hosp, Stockholm, Sweden