1. Department of Public Health, Environments & Society, London School of Hygiene and Tropical Medicine, London, UK
2. College of Medicine, University of Exeter, Exeter, UK
3. Teenage Pregnancy Knowledge Exchange, University of Bedfordshire, Luton, UK
4. School of Nursing and Midwifery, Queen’s University Belfast, Belfast, UK
5. Hitotsubashi Institute of Advanced Study, University of Hitotsubashi, Tokyo, Japan