[1] University of Gothenburg,School of Public Health and Community Medicine, Institute of Medicine
[2] Hannover Medical School,Midwifery Research and Education Unit
[3] Makerere University,Department of Nursing
[4] The Centre for Reproductive Health,College of Medicine
[5] University of Malawi,Department of Disease Control
[6] Centre de Recherche en Reproduction Humaine et en Démographie (CERRHUD),undefined
[7] Muhimbili University of Health and Allied Sciences,undefined
[8] Global Public Health,undefined
[9] Karolinska Institute,undefined
[10] London School of Hygiene and Tropical Medicine,undefined