1. Doctoral Program in Biomedical Science, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.
2. Virology and Cancer Pathobiology Research Centre, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.
3. Department of Neurology, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.
4. Department of Neurology, Cipto Mangunkusumo General Hospital, Jakarta, Indonesia.
5. Department of Microbiology, Pathwest Laboratory Medicine, Perth, Australia.
6. School of Medicine, Curtin University, Perth, Australia.