1. Anatomy Department, Paris University and UNESCO Chair of Digital Anatomy, 75100 Paris, France
2. Federal Center of Neurosurgery, Sechenov University, 119435 Moscow, Russia
3. Laboratorio de Investigaciones Morfológicas Aplicadas, Universidad Nacional de La Plata, La Plata B1900, Argentina
4. Neurological Surgery, Peoples Friendship University of Russia, 103274 Moscow, Russia
5. Laboratory of Microsurgical Neuroanatomy, Second Chair of Gross Anatomy, School of Medicine, University of Buenos Aires, Buenos Aires B1406, Argentina
6. Traumatology and Orthopedics Center, Central Clinical Hospital of the Russian Academy of Sciences, 103272 Moscow, Russia
7. Neurosurgery Department, The Royal Melbourne Hospital, Melbourne 3000, Australia
8. Department of Surgery, Universidad Tecnológica de Santiago (UTESA), Santiago 5100, Dominican Republic
9. Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana (AOUP), University of Pisa, 56100 Pisa, Italy