[1] Univ Sao Paulo, Inst Canc Estado Sao Paulo, Hosp Clin, Thorac Surg,Fac Med, Sao Paulo, Brazil
[2] Hosp Sirio Libanes, Sao Paulo, Brazil
[3] Hosp Israelita Albert Einstein, Sao Paulo, Brazil
[4] Pontificia Univ Catolica Rio de Janeiro, Thorac Surg, Rio De Janeiro, Brazil
[5] Hosp Copa Star Rede Or, Rio De Janeiro, Brazil
[6] Hiae, Thorac Surg, Sao Paulo, Brazil
[7] Hosp Copa Star Rede Or, Thorac Surg, Rio De Janeiro, Brazil
[8] Univ Sao Paulo, Hosp Clin, Inst Coracao, Thorac Surg,Fac Med, Sao Paulo, Brazil