1. Department of General Medicine Burdwan Medical College, and Hospital Burdwan India
2. Section of Clinical Neurophysiology, Department of Neurology University Hospital "La Paz" Madrid Spain
3. All India Institute of Medical Sciences (AIIMS) Jodhpur India
4. Indian Institute of Technology (IIT), Madras Chennai India
5. School of Humanities Indira Gandhi National Open University New Delhi India
6. Department of Anatomy Burdwan Medical College and Hospital Burdwan India
7. Department of Neurology University Hospital "12 de Octubre" Madrid Spain
8. Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED) Madrid Spain
9. Department of Medicine Complutense University Madrid Spain