1. Department of Anesthesia, Jagannath Gupta Institute of Medical Sciences, Budge Budge, Kolkata, West Bengal, India
2. Department of Neurosurgery, IMS-BHU, Varanasi, Uttar Pradesh, India
3. Department of Anesthesiology, IMS-BHU, Varanasi, Uttar Pradesh, India
4. Junior Resident, IMS-BHU, Varanasi, Uttar Pradesh, India
5. Department of Neurosurgery, Dr. RPGMC, Kangra, Himachal Pradesh, India