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