1. Neurophysiolopathology Unit, Bari Aldo Moro University, Bari, Italy
2. Department of Neuroscience, Headache Center, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
3. Center for Sensory-Motor Interaction, Aalborg University, Aalborg, Denmark