[1] Kings Coll London, Kings Ctr Global Hlth & Hlth Partnerships, London, England
[2] Weston Educ Ctr, Kings Hlth Partners, London, England
[3] Medway NHS Fdn Trust, Colorectal Surg, Gillingham, England
[4] London Sch Hyg & Trop Med, Dept Global Hlth & Dev, London, England
[5] Coll Med & Allied Hlth Sci, Dept Surg, Freetown, Sierra Leone
[6] Connaught Hosp, Dept Surg, Freetown, Sierra Leone
[7] Univ Oxford, Dept Orthopaed & Trop Surg, Oxford, England
[8] Norwegian Univ Sci & Technol NTNU, Dept Canc Res & Mol Med, Trondheim, Norway
[9] St Olavs Hosp, Dept Surg, Trondheim, Norway
[10] CapaCare, Trondheim, Norway