1. Department of Neuroscience and Sense Organs, University of Bari, Bari, Italy
2. Medical College of Georgia, Georgia Regents University, Augusta, GA, USA
3. University of Texas at Austin, TX, USA
4. Victoria University of Wellington, Wellington, New Zealand
5. Lega F. D'Oro Research Center, Osimo, Italy
6. S. Raffaele Rehabilitation Center, Ceglie Messapica, Italy
7. S. Raffaele Medical Care Center, Alberobello, Italy