[1] Norwegian Univ Sci & Technol, Inst Clin & Mol Med, Trondheim, Norway
[2] CapaCare, Trondheim, Norway
[3] CapaCare, Freetown, Sierra Leone
[4] Publ Hlth Serv Rotterdam Rijnmond, Dept Infect Dis Control, Rotterdam, Netherlands
[5] Royal Trop Inst, Amsterdam, Netherlands
[6] Trondheim Reg & Univ Hosp, St Olavs Hosp HF, Dept Surg, Trondheim, Norway
[7] Minist Hlth & Sanitat, Natl Surg Forum, Freetown, Sierra Leone
[8] Connaught Hosp, Dept Surg, Freetown, Sierra Leone
[9] Univ Sierra Leone, Coll Med & Allied Hlth Sci, Freetown, Sierra Leone