1 Department of Biomedical and Clinical Sciences, University of Milan, Milan, Italy. Electronic address: martina.perego@outlook.it.
2 Internal Medicine, L. Sacco Hospital, ASST Fatebenefratelli-Sacco, Milan, Italy.
3 Internal Medicine, L. Sacco Hospital, ASST Fatebenefratelli-Sacco, Milan, Italy; Department of Biomedical and Clinical Sciences, University of Milan, Milan, Italy.