1. Neuroradiology Department; Centro Hospitalar Lisboa Norte; Lisbon Portugal
2. Clínica Maia; Canoas Brazil
3. Translational Clinical Physiology Unit; Institute of Molecular Medicine; Faculty of Medicine; University of Lisbon; Lisbon Portugal
4. Health Sciences Institute; Portuguese Catholic University; Lisbon Portugal
5. Department of Surgical Specialties and Anesthesia; Otolaryngology Unit; Hospital de Cascais; Cascais Portugal