1. Department of Neuromedicine Bangur Institute of Neurosciences Institute of Post Graduate Medical Education and Research and SSKM Hospital Kolkata India
2. Department of General Medicine Patliputra Medical College and Hospital Dhanbad India
3. Department of General Medicine Burdwan Medical College and Hospital Burdwan India
4. Department of Neurology University of Texas Southwestern Medical Center Dallas Texas USA
5. Department of Pharmacology Institute of Postgraduate Medical Education and Research and SSKM Hospital Kolkata India
6. Department of General Medicine Apollo Gleneagles Hospital Kolkata India
7. Department of Endocrinology NRS Medical College and Hospital Kolkata India
8. Department of Neurology University Hospital "12 de Octubre," Madrid Spain
9. Network Biomedical Research Center on Neurodegenerative Diseases Madrid Spain
10. Department of Medicine Complutense University Madrid Spain