1. Faculty of Medicine and Health Sciences, Warmadewa University, Denpasar, Bali, Indonesia80239
2. Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia10430
3. Bali Provincial Health Office, Denpasar, Bali, Indonesia80234
4. Centers for Disease Control and Prevention, Fort Collins, CO, USA, USA
5. Eijkman-Oxford Clinical Research Unit, Jakarta, Indonesia10430