[1] Islamic Univ North Sumatra, Dept Internal Med, Fac Med, Medan, Indonesia
[2] Dr Umar Zein Trop Dis & Infect Clin, Medan, Indonesia
[3] Islamic Univ North Sumatra, Dept Microbiol, Fac Med, Medan, Indonesia
[4] Islamic Univ North Sumatra, Dept Obstetry & Ginaecol, Fac Med, Medan, Indonesia
[5] Hlth Off, Medan, North Sumatra P, Indonesia
[6] Brawijaya Univ, Dept Parasitol, Fac Med, Malang, Indonesia
[7] Sari Mutiara Indonesia Univ, Directorate Postgrad, Medan, North Sumatra, Indonesia
[8] Udayana Univ, Dept Parasitol, Fac Med, Bali, Indonesia
[9] Methodist Univ Indonesia, Dept Pharmacol, Fac Med, Medan, Indonesia
[10] Yamaguchi Univ, Joint Fac Vet Med, Lab Vet Parasitol, Yamaguchi, Japan
[11] Kyoto Univ, Primate Reserch Inst, Ctr Human Evolut Modeling Res, Inuyama, Aichi, Japan
[12] Asahikawa Med Univ, Dept Parasitol, Asahikawa, Hokkaido, Japan