1. Fulda Clinic, Clinic for Neurosurgery, Fulda, Germany
2. Department of Neurosurgery, All India Institute of Medical Sciences, Bhopal, India
3. Department of Neurosurgery, University of Cartagena, Cartagena De Indias, Colombia
4. Senior Resident Neurological Surgery, Department of Neurosurgery, All India Institute of Medical Sciences, Bhopal, India
5. Department of TEM (Neurosurgery), All India Institute of Medical Sciences, Bhopal, India
6. Professor of Neurosurgery, Department of Neurosurgery, All India Institute of Medical Sciences, Bhopal, India