Hospices Civils de Lyon, Hôpital Henry Gabrielle, REA-REZO Surveillance Network, Infections and Antibiotic Resistance in ICU, Saint Genis Laval, Lyon, France; CPIAS Auvergne-Rhône-Alpes, Hospices Civils de Lyon, Hôpital Henry Gabrielle, Saint Genis Laval, Lyon, France.