University of Oslo, Faculty of Medicine, Oslo, Norway
P. Borrelli
University ''G. D'Annunzio'' Chieti-Pescara, Department of Medical, Oral, and Biotechnological Sciences, Chieti, Italy
T. Meling
University of Geneva, Faculty of Medicine, Geneva, Switzerland; University of Oslo, Faculty of Medicine, Oslo, Norway; Oslo University Hospital, Department of Neurosurgery, Oslo, Norway; Geneva University Hospitals, Department of Clinical Neurosciences, Division of Neurosurgery, Geneva, Switzerland
