1. Hospital Paranaense de Otorrinolaringologia IPO LTDA, Curitiba, Paraná, Brazil
2. Master in Sciences thesis, Post Graduate Program (Ringgold Standard), Clinical Surgery Department, Universidade Federal do Paraná, Curitiba, Paraná, Brazil
3. Plastic Surgery Department, Universidade Federal do Paraná, Curitiba, Paraná, Brazil
4. Universidade Federal do Paraná, Curitiba, Paraná, Brazil