1. Manado State University; Research Center; Unima Campus Tondano North Sulawesi Indonesia 95618
2. Graduate School of Medicine, The University of Tokyo; Department of Global Health Policy; Tokyo Japan
3. National Center for Child Health and Development; Division of Epidemiology; 2-10-1 Okura, Setagaya-ku Tokyo Japan 157-8535
4. National Center for Child Health and Development; Department of Health Policy; 2-10-1 Okura Setagaya-ku Tokyo Tokyo Japan 166-0014