[1] Univ Antwerp, Network Educ & Support Immunisat NESI, B-2610 Antwerp, Belgium
[2] ThinkWell, USAID Hlth Financing Act, Jakarta 10110, Indonesia
[3] Univ Syiah Kuala, Sch Med, Med Res Unit, Banda Aceh 23111, Indonesia
[4] Univ Syiah Kuala, Sch Med, Dept Microbiol, Banda Aceh 23111, Indonesia
[5] Univ Padjadjaran, Fac Med, Dept Publ Hlth, Bandung 45363, Indonesia
[6] Univ Padjadjaran, Fac Nursing, Bandung 45363, Indonesia
[7] Univ Syiah Kuala, Sch Med, Dept Internal Med, Banda Aceh 23111, Indonesia
[8] Univ Mataram, Sch Med, Dept Microbiol, Mataram 83125, Indonesia
[9] Univ Pattimura, Fac Med, Ambon 97233, Indonesia
[10] Rumah Sakit Umum Pusat Hasan Sadikin, Dept Pediat, Bandung 40161, Indonesia