1. Divisione I Clinica Medica, Department of Internal Medicine and Medical Specialities, University of Rome “La Sapienza”, Rome, Italy
2. Department of Internal Medicine, University of Rome “Tor Vergata”, Rome, Italy
3. Department of Pediatrics and Institute of Molecular Medicine “A. Nocivelli”, University of Brescia, Brescia, Italy
4. University‐Hospital Pediatric Department, Bambino Gesu` Children Hospital‐University of Rome Tor Vergata, Rome, Italy
5. Department of Translational Medical Sciences, Federico II University, Naples, Italy
6. Department of Biomedicine and Evolutive Aging, University of Bari, Bari, Italy
7. IRCSS Foundation Ca' Granda, University of Milan, Milan, Italy
8. Department of Pediatrics, University of Florence, Florence, Italy
9. Department of Pediatrics, University of Turin, Turin, Italy
10. Department of Pediatrics, Center of Clinic Lipid Research, University of Rome “La Sapienza”, Rome, Italy