Department of Clinical Surgery;
Hospital Pequeno Príncipe;
Curitiba;
Brasil;
Department of Anesthesiology;
Hospital de Clínicas da UFPR and Hospital Pequeno Príncipe;
Curitiba;
Brasil;
Department of ENT Surgery;
Hospital Pequeno Príncipe;
Curitiba;
Brasil;
Department of Otorhinolaryngology;
Hospital Pequeno Príncipe;
Curitiba;
Brasil;
Department of Clinical Surgery;
Hospital de Clínicas da UFPR;
Curitiba;
Brasil;