[1] Univ Med Ctr Utrecht, Dept Otorhinolaiyngol & Head & Neck Surg, Utrecht, Netherlands
[2] Univ Amsterdam, Amsterdam Univ, Epidemiol & Data Sci, Med Ctr, Amsterdam, Netherlands
[3] Univ Med Ctr Utrecht, Brain Ctr Rudolf Magnus, Utrecht, Netherlands
[4] Stellenbosch Univ, Fac Med & Hlth Sci, Ctr Evidence Based Hlth Care, Dept Global Hlth, Cape Town, South Africa
[5] Kenya Govt Med Res Ctr, Kentre Global Hlth Res, Kisumu, Kenya
[6] KEMRI Wellcome Trust Res Programme, Nairobi, Kenya
[7] Univ Groningen, Univ Med Ctr Groningen, Dept Gen Practice, Groningen, Netherlands
[8] Univ Birmingham, Inst Appl Hlth Res, Test Evaluat Res Grp, Birmingham, W Midlands, England
[9] Univ Hosp Birmingham NHS Fdn Trust, NIHR Birmingham Biomed Res Ctr, Birmingham, W Midlands, England
[10] Univ Birmingham, Birmingham, W Midlands, England
[11] FIND, Geneva, Switzerland
[12] Univ Utrecht, Univ Med Ctr Utrecht, Julius Ctr Hlth Sci & Primary Care, Cochrane Netherlands, Utrecht, Netherlands
[13] Univ Amsterdam, Amsterdam UMC, Med Lib, Amsterdam, Netherlands
[14] Katholieke Univ Leuven, Dept Publ Hlth & Primary Care, Leuven, Belgium
[15] Univ Med Ctr Utrecht, Julius Ctr Hlth Sci & Primary Care, Utrecht, Netherlands