1. Department of Surgery, Dentistry, Pediatrics, and Gynecology University of Verona, 37134 Verona, Italy
2. Division of Pediatric Respirology, Children’s Hospital of Eastern Ontario, University of Ottawa, Ottawa, ON K1N 6N5, Canada
3. Pediatric Sleep Disorders Center, Division of Pediatrics, “F. Del Ponte” Hospital, University of Insubria, 21100 Varese, Italy
4. Department of Medicine and Surgery, University of Insubria, 21100 Varese, Italy