Neuromuscul Disord 2021 Feb 28;31(2):134-138. Epub 2020 Dec 28.
Department of Neurosciences, Rehabilitation, Ophthalmology, Genetic and Maternal and Infantile Sciences (DINOGMI), University of Genova, Largo P. Daneo3, 16132 Genova, Italy; IRCCS Ospedale Policlinico San Martino, Genova, Italy. Electronic address: