European Skull Base Society
North American Skull Base Society
British Skull Base Society
Egyptian Society of Skull Base Surgery
Polish Skull Base Surgery Society
Polish Skull Base Society
American Head & Neck Society
Skull Base SurgerySociety of India
The Society of Neurological Surgeons
Australian Society of Otolaryngology Head & Neck Surgery
German Society of Skull Base Surgery
Belgian Society for Neurosurgery
La Chirurgie de la Base Antérieure du Crâne
Campus de Neurochirurgie [Société Française de Neurochirurgie]
A.I.B.C. Associazione Italiana di Biodinamica Craniosacrale
Sociedad Española de Base de Cráneo
Society For NeuroOncology
Japanese Society of NeuroOncology
British Neuro-Oncology Society
Asian Society for Neuro- Oncology
American Association of Neurological Surgeons
British Neurosurgical Research Group
Congress of Neurological Surgeons
Council of State Neurosurgical Societies
Euroacademia Multidisciplinaria Neurotraumatoligica
European Association of Neurosurgical Societies
European Federation of Neurological Societies
European Society for Pediatric Neurosurgery
International Society for Pediatric Neurosurgery
Society of British Neurological Surgeons
World Federation of Neurosurgical Societies
Austrian Society of Neurosurgery
German Academy of Neurosurgery
Società Italiana di Neurologia
Nederlandse Vereniging voor Neurochirurgie