1. Center for Biomedical Research, Research Organization for Health, National Research and Innovation Agency, Jln Raya Bogor, Km 46, Cibinong 16911, West Java, Indonesia
2. Health Policy Agency, Ministry of Health, Republic of Indonesia, Jln Percetakan Negara No 23A, Central Jakarta 10560, Jakarta, Indonesia
3. Nottingham University, Nottingham, United Kingdom