1. Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University, Greenville, NC, USA
2. Department of Internal Medicine and Specialties, University of Palermo, Palermo, Italy
3. Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Palermo, Italy
4. Department of Biomedical Sciences, University of Catania, Catania, Italy
5. Department of Medicine, University of Göttingen, Göttingen, Germany
6. Department of Immunology, Instititue for Biological Research “Sinisa Stankovic”, University of Belgrade, Belgrade, Serbia
7. Regina Elena National Cancer Institute, Rome, Italy
8. Sapienza, University of Rome, Department of Cellular Biotechnology and Hematology, Rome, Italy
9. Department of Biomedical and Neuromotor Sciences, Università di Bologna, Bologna, Italy
10. Institute of Molecular Genetics, National Research Council-Rizzoli Orthopedic Institute, Bologna, Italy