[1] Syiah Kuala Univ, Sch Med, Med Res Unit, Banda Aceh, Indonesia
[2] Syiah Kuala Univ, Sch Med, Trop Dis Ctr, Banda Aceh, Indonesia
[3] Syiah Kuala Univ, Sch Med, Dept Microbiol, Banda Aceh, Indonesia
[4] Univ Western Australia, Sch Biomed Sci, Nedlands, WA, Australia
[5] Univ Tunku Abdul Rahman, Selangor, Malaysia
[6] Syiah Kuala Univ, Fac Math & Nat Sci, Dept Stat, Banda Aceh, Indonesia
[7] Syiah Kuala Univ, Fac Teacher Training & Educ, Dept Biol, Banda Aceh, Indonesia
[8] Maulana Malik Ibrahim State Islamic Univ, Med Fac, Dept Microbiol, Malang, Indonesia
[9] Padjadjaran State Univ, Dept Publ Hlth, Fac Med, Bandung, Indonesia
[10] Goethe Univ, Inst Occupat Med Social Med & Environm Med, Frankfurt, Germany
[11] Minist Hlth Complex, NHRC, Kathmandu, Nepal