1. Johns Hopkins Maternal and Child Health Center India, Kolkata, West Bengal, India
2. International Vaccine Access Center, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
3. Bal Umang Drishya Sanstha, New Delhi, India
4. Department of Community Medicine and Family Medicine, All India Institute of Medical Sciences, Kalyani, West Bengal, India
5. Child in Need Institute, Daulatpur, West Bengal, India
6. Public Health Foundation of India, New Delhi, India