1. Department of Neurology, Faculty of Medicine, Universitas Indonesia-Dr. Cipto Mangunkusumo National Hospital, Central Jakarta, Jakarta 10430, Indonesia
2. Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
3. Cengkareng General Hospital, West Jakarta, Jakarta 11730, Indonesia
4. Department of Medicine, Khyber Teaching Hospital, Peshawar 25120, Pakistan
5. Department of Neurology, Faculty of Medicine, Universitas Udayana, Bali 80361, Indonesia
6. Christian Medical College, Ludhiana 141008, Punjab, India