1. Department of Neurosurgery Service, San Fernando Hospital, Buenos Aires, Argentina
2. Plastic Surgery Service, Churruca-Visca Medical Complex, Buenos Aires, Argentina
3. Neurosurgery Service, Padilla Hospital, Faculty of Medicine, National University of Tucumán, Tucuman, Argentina,
4. Department of Educational and Scientific Institute of Neurosurgery, Peoples’ Friendship University of Russia, Moscow, Russian Federation
5. Department of Neurosurgery, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
6. Department of Neurosurgery, Russian People’s Friendship University, Ulitsa Miklukho-Maklaya, Moscow, Russian Federation,
7. Department of Neurosurgery, Azienda Ospedaliera Universitaria Pisana (AOUP), University of Pisa, Pisa, Italy,
8. Neurosurgery Service, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado (ISSSTE), Regional Hospital October 1, Mexico City, Mexico,
9. Medical Student, Autonomous University of Santo Domingo, Santo Domingo, Dominican Republic,
10. Laboratory of Microsurgical Neuroanatomy, Second Chair of Gross Anatomy, School of Medicine, University of Buenos Aires, San Fernando, Argentina.