1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands. M.J.M.Bonten@umcutrecht.nl.
2 European Clinical Research Alliance on Infectious Diseases, Utrecht, the Netherlands. M.J.M.Bonten@umcutrecht.nl.
3 HCor Research Institute, Hospital do Coração, São Paulo, SP, Brazil.
4 Brazilian Research in Intensive Care Network (BRICnet), São Paulo, SP, Brazil.
5 Infection Control Program and WHO Collaborating Centre, Faculty of Medicine, University of Geneva Hospitals, Geneva, Switzerland.