[1] CUF Oncol, Haematol & Oncol Dept, Lisbon, Portugal
[2] NOVA Med Sch, Fac Ciencias Med, Lisbon, Portugal
[3] Univ Lisbon, Fac Med, Lisbon, Portugal
[4] Hosp Prof Doutor Fernando Fonseca EPE, Oncol Dept, Amadora, Portugal
[5] Univ Beira Interior, Fac Ciencias Saude, Covilha, Portugal
[6] Hosp CUF Almada, Emergency Dept, Almada, Portugal
[7] NOVA Med Sch, Eth Dept, Fac Ciencias Med, Lisbon, Portugal