Abadi, M.R., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Widyahening, I.S., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Southeast Asian Ministers of Education Organization (SEAMEO-RECFON) ? Regional Centre for Food and Nutrition, Universitas Indonesia, Jakarta, Indonesia; Sudarsono, N.C., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Tobing, A.J., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia