Prognostic stratification in pulmonary hypertension : a multi-biomarker approach - Plácido, Rui; Dias, Nuno Cortez; Martins, Susana Robalo; Almeida, Ana G.; Calisto, Carina; Gonçalves, Susana; Sadoune, Malha; Diogo, António Nunes; Mebazaa, Alexandre; Pinto, Fausto J. (2017)