1. Program in Global Disease Epidemiology and Control, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA (Ms Pollard)
2. Program in Social Policy, Heller School for Social Policy and Management, Brandeis University, Waltham, MA, USA (Ms Zachary)
3. Program in Social and Behavioral Interventions, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA (Ms Wingert, Dr Surkan)
4. Nutrition Education, School, and Community Nutrition Programs Branch, Maryland State Department of Education, Baltimore, MD, USA (Ms Booker)