Mason John, Martorell Reynaldo, Saldanha Lisa, Shrimpton Roger
School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA 70118, USA.
Rollins School of Public Health, Emory University, Atlanta, GA, USA.
Lancet Glob Health. 2013 Jul;1(1):e4-6. doi: 10.1016/S2214-109X(13)70009-3. Epub 2013 Jun 25.