1. Department of Neurology Medical University of Innsbruck Innsbruck Austria
2. Department of Medical Statistics, Informatics and Health Economics Medical University of Innsbruck Innsbruck Austria
3. Istituto di Ricovero e Cura a Carattere Scientifico Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation University of Milan Milan Italy
4. Department of Urology Medical University of Innsbruck Innsbruck Austria
5. Department of Heart and Great Vessels “A. Reale” Sapienza University of Rom Rome Italy
6. Department of Neurology Santa Maria Hospital Terni Italy
7. Department of Neuroscience, Mental Health and Sensory Organs “Sapienza” University of Rome Rome Italy
8. Department of Neurology, Dysautonomia Center New York University School of Medicine New York USA