1. From the Central Florida Pain Relief Centers, Orlando (M.C.)
2. St. George’s University Hospitals NHS Foundation Trust, London, United Kingdom (G.C.)
3. Department of Neurology, Alfred Health, Melbourne, VIC, Australia (G.C.)
4. Kliniken Beelitz GmbH Neurologische Rehabilitationsklinik, Beelitz-Heilstätten, Germany (P.K.)
5. MedStar National Rehabilitation Hospital, Washington, DC (M.Y.)
6. Shepherd Center, Atlanta, GA (M.Y.)
7. Department of Physical Medicine and Rehabilitation, University of Texas Health Science Center and TIRR Memorial Hermann Hospital, Houston (G.E.F.)
8. North Staffordshire Rehabilitation Centre, Haywood Hospital, Stoke-On-Trent, United Kingdom (A.B.W.)
9. Neurological Rehabilitation and Physical Therapy, Department of Neurology, Vivantes Hospital Spandau, Berlin, Germany (J.W.)
10. USL Umbria 2, Department of Rehabilitation, Ospedale di Foligno, Perugia, Italy (M.Z.)
11. Neuromodulation Clinical, Medtronic International, Tolochenaz, Switzerland (A.A., A.C.)
12. Abteilung für Neurologie Landeskrankenhaus Hochzirl, Austria (L.S.)
13. Research Unit for Neurorehabilitation South Tyrol, Bolzano, Italy (L.S.).