University of Lausanne Hospitals, Lausanne, Switzerland
Center for Neuroprosthetics-Valais (EPFL) at Clinique Romande de Réadaptation, Sion, Valais, Switzerland
Queen Elisabeth University Hospital, Glasgow, United Kingdom
Schön Klinik, Bad Aibling, Germany
Santa Maria della Misericordia Hospital, Perugia, Umbria, Italy