1 Maternal, Newborn, Child and Adolescent Health Department, WHO, Geneva, Switzerland. Electronic address: [email protected].
2 Reproductive Health and Research Department, WHO, Geneva, Switzerland.
3 Maternal and child health program, Burnet Institute, Melbourne, Australia; Wardliparingga Aboriginal Research Unit, South Australian Health and Medical Research Institute, Adelaide, Australia; Centre for Adolescent Health, Murdoch Children's Research Institute, University of Melbourne, Australia.
4 University Cheikh Anta Diop of Dakar, Faculty of Medicine, Pharmacy and Odontology/Gynecology and Obstetrics Clinic, University Teaching Hospital A. Le Dantec, Dakar, Senegal.
5 United Nations Major Group for Children and Youth, United Kingdom.
6 Maternal, Newborn, Child and Adolescent Health Department, WHO, Geneva, Switzerland.