1. Immunology Division, University of Chieti, Chieti, Italy
2. School of Dentistry, University of Chieti, Italy
3. Department of Human Dynamics, University of Chieti, Italy
4. Gynecology Division, University of Chieti, Italy
5. Department of Clinical Psychology, University of Chieti, Italy
6. Department of Pharmacology and Experimental Therapeutics, Biochemistry and Internal Medicine Tufts University School of Medicine, Tufts-New England Medical Center, Boston, MA, USA
7. Department of Health Sciences, University of L'Aquila, Italy
8. Orthopaedics Division, University of Perugia, Perugia, Italy
9. Institute of Internal Medicine, University of Chieti, Italy
10. Institute of Internal Medicine, Catholic University, Rome, Italy
11. Department of ORL, University of Chieti, Chieti, Italy
12. Department of Medicine, Boston University School of Medicine, Boston, MA, USA