[1] Exigo Consultores, Alhos Vedros, Portugal
[2] Ctr Hosp Lisboa Norte, Hosp Santa Maria, EPE, Lisbon, Portugal
[3] Ctr Hosp Lisboa Ocident, Hosp Egas Moniz, Lisbon, Portugal
[4] Ctr Hosp & Univ Coimbra, Coimbra, Portugal
[5] Ctr Hosp & Univ Coimbra, EPE, Coimbra, Portugal
[6] Hosp Sao Joao, Oporto, Portugal
[7] Ctr Hosp Porto, EPE, Oporto, Portugal
[8] Ctr Hosp Porto, Oporto, Portugal