1 Department of Global Health, Milken Institute School of Public Health, George Washington University, Washington, DC 20052, USA. Electronic address: [email protected].
2 Department of Community Health and Prevention, Dornsife School of Public Health, Drexel University, Philadelphia, PA, USA.
3 Adolescent Health and Wellbeing, Aboriginal Health Equity Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia; Centre for Adolescent Health, Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Paediatrics, The University of Melbourne, Parkville, VIC, Australia.
4 Johannesburg, South Africa.
5 The Lancet, München, Germany.
6 Centre for Adolescent Health, Murdoch Children's Research Institute, Parkville, VIC, Australia; Department of Paediatrics, The University of Melbourne, Parkville, VIC, Australia.
7 UCL Great Ormond Street Institute of Child Health, London, UK.