1. National Institute of Mental Health and Neuro-Sciences (NIMHANS), Bangalore, Karnataka, India
2. Department of Pathology, MJN Medical College, Cooch Behar, West Bengal, India
3. Anandaloke Sonoscan Centre, Siliguri, West Bengal, India
4. Department of Pathology, Deben Mahata Hospital and Government Medical College, Purulia, West Bengal, India