1 Department of Otorhinolaryngology, Head and Neck Surgery, University of Campinas (UNICAMP), Campinas, São Paulo, Brazil. Electronic address: almiromachaophd@gmail.com.
2 Department of Pediatrics, University of Missouri-Kansas City, Kasnas City, MO, USA.
3 Pediatric Unit Sant'Andrea Hospital, NESMOS Department, Faculty of Medicine and Psychology, "Sapienza" University, Rome, Italy.