1. Department of Neurosurgery, University Medical Centre of the Johannes Gutenberg, University of Mainz, Mainz, Germany
2. Faculty of Medicine, Josip Juraj Strossmayer University, Osijek, Croatia
3. Department of Neurosurgery, Fujita Health University, Bantane Hospital, Nagoya, Aichi, Japan
4. Department of Neurosurgery, Noble Hospitals, Pune, Maharashtra, India
5. Department of Neurosurgery, Guru Teg Bahadur Hospital, New Delhi, India