1. Institut d’Assistència Sanitària (IAS)—Hospital Santa Caterina, 17007 Girona, Spain
2. Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain
3. Hospital Clinic, Medical ICU, Clinical Institute of Internal Medicine & Dermatology (ICMiD), 08036 Barcelona, Spain
4. Hospital Universitari Dr. Josep Trueta, 17007 Girona, Spain
5. Hospital de Mataró, 08304 Mataró, Spain
6. Hospital Universitari Vall d’Hebron, 08035 Barcelona, Spain
7. Intensive Care Department, Hospital Universitari Arnau de Vilanova, LLeida, 25198 Lleida, Spain