1. Department of Neurosurgery, Narayan Medical College and Hospital, Jamuhar, Rohtas, Bihar, India
2. Department of Neurosurgery, Atal Bihari Vajpayee Institute of Medical Sciences (ABVIMS), Dr Ram Manohar Lohia Hospital, New Delhi, India
3. Department of Neurosurgery, All Indian Institute of Medical Science, Jodhpur, India
4. Shah Neuro and Trauma Centre Kaithal, Haryana, India