1 Titular Professor of Surgery at Severino Sombra University, Vassouras-RJ, Brazil; Professor of Thoracic Surgery at Viçosa Federal University, Viçosa-MG, Brazil; Professor of Surgery at Ozanam Coelho School of Medicine, Ubá-MG, Brazil.
2 Professor of Thoracic Surgery at Viçosa Federal University, Viçosa-MG, Brazil; Professor of Surgery at Ozanam Coelho School of Medicine, Ubá-MG, Brazil; Professor of Internal Medicina, Viçosa Federal University, Viçosa-MG, Brazil. E-mail: brunofarnetano@yahoo.com.br.