1. Department of Health Science, University of Piemonte Orientale, Novara, Italy
2. Center for Translational Research on Autoimmune and Allergic Disease (CAAD), University of Piemonte Orientale, Novara, Italy
3. Department of Biology, University of Rome Tor Vergata, Rome, Italy
4. Institute of Cytology of the Russian Academy of Sciences, Saint Petersburg, Russia;
5. Interdisciplinary Research Center of Autoimmune Diseases (IRCAD), University of Piemonte Orientale, Novara, Italy