1. National Institute of Health Research and Development, Ministry of Health, Jl. Percetakan Negara No. 29, Jakarta Pusat 10560, Indonesia
2. Research Center for Population, Indonesian Institute of Sciences (P2K-LIPI), Jl. Jend. Gatot Subroto No. 10, Jakarta Selatan 12710, Indonesia
3. Independent Researcher, Villa Bogor Indah III, Blok BC1 No. 1, Kedung Halang, Bogor 16158, Indonesia