1. Department of Radiodiagnosis, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, Meghalaya, India
2. Department of Neuroradiology, All India Institute of Medical Sciences, New Delhi, India
3. Department of Radiodiagnosis, Sikkim Manipal Institute of Medical Sciences, Gangtok, Sikkim, India
4. Department of Radiodiagnosis, Tezpur Medical College, Sonitpur, Assam, India
5. Department of Pathology, Assam Medical College, Dibrugarh, Assam, India