Delirium

• Department of Anesthesiology & Critical Care, Estaing University Hospital — Clermont-Ferrand, France
• Department of Anesthesiology & Critical Care, St Eloi University Hospital — Montpellier, France
• Department of Anesthesiology & Critical Care, Caremeau University Hospita — Nîmes, France

• Jeroen Bosch Ziekenhuis — 's-Hertogenbosch, North Brabant, Netherlands
• VUmc — Amsterdam, North Holland, Netherlands
• Spaarne Ziekenhuis — Hoofddorp, North Holland, Netherlands
• Medical Center Alkmaar — Alkmaar, Netherlands

Not specified

• The Johns Hopkins University — Baltimore, Maryland, United States

• the First Hospital of China Medical University — Shenyang, Liaoning, China

• Complejo Hospitalario Universitario de Albacete — Albacete, Spain

• University of Tennessee Medical Center — Knoxville, Tennessee, United States

• Duke University — Durham, North Carolina, United States

• UZ Leuven — Leuven, Belgium

• UZ Leuven — Leuven, Belgium
• Centre Hospitalier Universitaire de Grenoble — La Tronche, France
• Centre Hospitalier Régional Universitaire de Montpellier — Montpellier, France
• Groupe Hospitalier La Pitié-Salpêtriere — Paris, France