1. Department of Neurosurgery, Hospital Gobernador Ernesto Campos, Ushuaia, Tierra del Fuego, Argentina
2. Laboratory of Microsurgical Neuroanatomy, Second Chair of Gross Anatomy, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina
3. Laboratiorio de Innovaciones Neuroquirurgicas de Tucuman (LINT), Facultad de Medicina, Universidad Nacional de Tucumán, Tucumán, Argentina
4. Department of Neurosurgery, “Hospital Regional 1o de Octubre,” Institute of Social Security and Services for State Workers (ISSSTE), Mexico City, Mexico
5. Department of Neurosurgery, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
6. Chief Physician of the Federal State-Financed Institution “Federal Centre of Neurosurgery” of the Ministry of Health of the Russian Federation, Russian Federation,
7. Neurosurgery Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
8. Neurosurgery Unit, Department of Surgical Sciences, Fondazione Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo, Pavia, Italy