1. Rollins School of Public Health, Emory University, Atlanta, Ga., USA, is now affiliated with the Friedman School of Nutrition Science and Policy, Tufts University in Medford, Mass., USA.
2. Rollins School of Public Health, Emory University in Atlanta, Ga., USA.
3. Save the Children Federation/US in Westport, Conn., USA.
4. Save the Children Federation/US in Haripur, Pakistan.