1. Division of Endocrinology ASST Fatebenefratelli‐Sacco Milan Italy
2. International Center for T1D Pediatric Clinical Research Center Romeo ed Enrica Invernizzi Department of Biomedical and Clinical Science L. Sacco University of Milan Milan Italy
3. Department of Pathology ASST dei Sette Laghi Varese Italy
4. Nephrology Division Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USA
5. Nephrology Division Boston Children's Hospital Harvard Medical School Boston Massachusetts USA
6. Pathology Unit ASST Fatebenefratelli‐Sacco Milan Italy
7. Department of Biomedical and Clinical Sciences L. Sacco University of Milan Milan Italy
8. Division of Respiratory Diseases ASST Fatebenefratelli‐Sacco Milan Italy
9. Pediatric Clinical Research Center Romeo ed Enrica Invernizzi Department of Biomedical and Clinical Science L. Sacco University of Milan Milan Italy
10. Department of Pediatrics “V. Buzzi” Children's Hospital Milan Italy
11. III Division of Infectious Diseases Luigi Sacco Hospital ASST Fatebenefratelli‐Sacco Milan Italy