1. Applied Neurophysiology and Pain Unit Department of Basic Medical Sciences Neurosciences and Sensory Organs University of Bari “Aldo Moro” Bari Italy
2. 3rd Neurology Unit and Skin Biopsy Department of Clinical Neurosciences Peripheral Neuropathy and Neuropathic Pain Laboratory IRCCS Foundation, 'Carlo Besta' Neurological Institute Milan Italy
3. Unit of Human Anatomy and Histology Department of Basic Medical Sciences Neurosciences and Sensory Organs School of Medicine University of Bari Bari Italy
4. Rheumatology Unit Department of Emergency and Organ Transplantation University of Bari Bari Italy
5. Department of Biomedical and Clinical Sciences "Luigi Sacco" University of Milan Milan Italy