1. Pediatric Institute of Southern Switzerland Ospedale San Giovanni Bellinzona Switzerland
2. Università della Svizzera Italiana Lugano Switzerland
3. Pediatric Unit Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
4. Department of Clinical Sciences and Community Health Università degli Studi di Milano Milan Italy
5. Unit of Clinical Pharmacology Department of Biomedical and Clinical Sciences L. Sacco, "Luigi Sacco" University Hospital Università di Milano Milan Italy
6. Department of Dermatology Ente Ospedaliero Cantonale Ospedale Regionale di Lugano Lugano Switzerland
7. Department of Internal Medicine Ente Ospedaliero Cantonale Locarno Switzerland
8. Pediatric Cardiology Unit Department of Pediatrics Lausanne University Hospital and University of Lausanne Lausanne Switzerland