1. Department of Internal Medicine, Division of Endocrinology, Diabetology and Metabolism, Molinette Hospital, University of Turin, Turin, Italy
2. Department of Electronics, Laboratory for Engineering of the Neuromuscular System, Politecnico di Torino, Turin, Italy
3. Department of Molecular Medicine & Interuniversity Institute of Myology, University of Pavia, Pavia, Italy
4. Fondazione Salvatore Maugeri (IRCCS), Scientific Institute of Pavia, Pavia, Italy