1. Department of Health Sciences; Lund University, Skåne University Hospital; Lund Sweden
2. Cochrane Sweden; Lund University, Skåne University Hospital; Lund Sweden
3. Health Systems Research Unit; South African Medical Research Council; Cape Town South Africa
4. Department of Surgery, School of Clinical Medicine; University of KwaZulu-Natal; Durban South Africa
5. Department of Clinical Sciences Lund, Paediatrics; Lund University, Skåne University Hospital; Lund Sweden