1. Medical Affairs Department, Pfizer SLU, Madrid, Spain
2. Department of Clinical Pharmacology, University of Navarra, Pamplona, Spain
3. Department of Intensive Medicine, Hospital HM Montepríncipe, Madrid, Spain
4. Department of Intensive Medicine, Hospital Universitari Vall d’Hebron, Barcelona, Spain
5. Department of Hematology, Hospital Gral. Univ. Gregorio Marañón, Institute of Health Research Gregorio Marañón, Madrid, Spain
6. Department of Pharmacy, Hospital Universitario Salamanca, Salamanca, Spain
7. Health Value SL, Madrid, Spain