Affiliation: | 1. Department of Pharmaceutical Sciences, Università del Piemonte Orientale, Novara, Italy;2. Headache Science Centre, National Neurological Institute C. Mondino, Pavia, Italy;3. Division of Neurology, Maggiore Hospital, Università del Piemonte Orientale, Novara, Italy;4. Department of Brain and Behaviour, University of Pavia, Pavia, Italy |