Funding Sources
  
The design and research reported here were
primarily supported by:
Eunice Kennedy Shriver National Institute of Child Health and Human
Development
Additional support: 
 
- 
Mellon Foundation 
 
- National Aeronautics and Space
Administration
  
- National Science Foundation
  
- Evaluation Project (US Agency for International Development)
 
- MacArthur Foundation
  
- A Center grant to the Carolina Population Center