In the master's footsteps: Gaetano Rummo (1853-1917), his contributions to medicine and neurology, and his biography of Jean-Martin Charcot (1825-1893). - Brigo F; Benna P; Dono F; Lorusso L; Volpe E (Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2025)