[1] Fac Med Sao Paulo, Pulm Div, Heart Inst InCor, Hosp Clin, Av Dr Eneas de Carvalho Aguiar,44-5 Andar Pneumol, BR-05403900 Sao Paulo, SP, Brazil
[2] British Hosp Buenos Aires, Haematol Dept, Buenos Aires, DF, Argentina
[3] Univ Autonoma Nuevo Leon, Hosp Univ Dr Jose E Gonzalez, Serv Hematol, Monterrey, Mexico
[4] Inst Nacl Cancerol, Hematol Dept, Mexico City, DF, Mexico
[5] Hosp Pablo Tobon Uribe, Canc Unit, Medellin, Colombia
[6] Univ Estado Rio de Janeiro, Unit Angiol, Rio De Janeiro, Brazil
[7] Inst Univ Ciencias Biomed Cordoba IUCBC, Vasc Med & Thrombosis Serv, Cordoba, Argentina
[8] Clin Oncol Unit, Clin Country, Bogota, Colombia
[9] Mem Sloan Kettering Canc Ctr, Thorac Oncol Serv, New York, NY USA
[10] Ctr Invest & Manejo Canc CIMCA, Med Oncol, San Jose, Costa Rica
[11] Kings Coll London, Dept Haematol Med, Guys & St Thomas Hosp NHS Fdn Trust, London, England