1. Scleroderma Unit, Referral Center for Systemic Autoimmune Diseases, Fondazione IRCCS Ca’ Granda; Ospedale Maggiore Policlinico di Milano; Milan Italy
2. Department of Analytical Chemistry; University of Granada; Granada Spain
3. Laboratory of Probiogenomics, Department of Life Sciences; University of Parma; Parma Italy
4. Centre for Genomics and Oncological Research (GENYO); Pfizer-University of Granada-Andalusian Regional Government; Granada Spain
5. Institute for Environmental Medicine; Karolinska Institutet; Stockholm Sweden