1 Department of Emergency and Intensive Care, Centro Hospitalar São Joao, Faculdade de Medicina, Universidade do Porto, Porto, Portugal. jarturpaiva@gmail.com.
2 Grupo de Infeçao e Sépsis, Porto, Portugal. jarturpaiva@gmail.com.
3 Service de Médecine Intensive Réanimation, Hôpital François Mitterrand, CHU Dijon, Dijon, France.