1. Department of Neurosurgery, All India Institute of Medical Sciences, Bhopal, India
2. Neurosurgery Department, Holy Family Red Crescent Medical College, Dhaka, Bangladesh
3. Neurosurgery Department, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
4. Medical and Surgical Research Center, University of Cartagena, Cartagena, Colombia
5. Center for Biomedical Research, Faculty of Medicine, University of Cartagena, Cartagena, Colombia
6. Department of Neurosurgery, Banaras Hindu University, Varanasi, Uttar Pradesh, India
7. Department of Public Health, Independent University, Bangladesh, Dhaka, Bangladesh