About the Authors

Cristina Granja

cristinagranja@hotmail.com

Affiliations Department of Health Information and Decision Sciences, Faculty of Medicine of Porto, Porto, Portugal, CINTESIS - Center for Research in Health Technologies and Health Systems, Faculty of Medicine of Porto, Porto, Portugal

Pedro Póvoa

Affiliations Polyvalent Intensive Care Unit, São Francisco Xavier Hospital – CHLO, Lisbon, Portugal, CEDOC, Faculty of Medical Sciences, New University of Lisbon, Lisbon, Portugal

Cristina Lobo

Affiliation CINTESIS - Center for Research in Health Technologies and Health Systems, Faculty of Medicine of Porto, Porto, Portugal

Armando Teixeira-Pinto

Affiliations Department of Health Information and Decision Sciences, Faculty of Medicine of Porto, Porto, Portugal, CINTESIS - Center for Research in Health Technologies and Health Systems, Faculty of Medicine of Porto, Porto, Portugal, Screening and Test Evaluation Program, School of Public Health, University of Sydney, Sydney, Australia

António Carneiro

Affiliation Intensive Care Unit, Hospital da Arrábida, Vila Nova de Gaia, Portugal

Altamiro Costa-Pereira

Affiliations Department of Health Information and Decision Sciences, Faculty of Medicine of Porto, Porto, Portugal, CINTESIS - Center for Research in Health Technologies and Health Systems, Faculty of Medicine of Porto, Porto, Portugal

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CG PP AC. Performed the experiments: CG PP AC. Analyzed the data: ATP CL ACP. Contributed reagents/materials/analysis tools: ATP CL ACP. Wrote the paper: CG PP AC ATP CL ACP.