Title {1}	Virtual reality stimulation to reduce the incidence of delirium in critically ill patients: study protocol for a randomized clinical trial
Trial registration {2a and 2b}.	ClinicalTrials.gov, NCT04498585. Registered on August 3rd, 2020
Protocol version {3}	Version 2.0 5.02.2020
Funding {4}	Funding provided by the University of Bern, Switzerland, the Gerontechnology and Rehabilitation Group at the ARTORG Centre, and the Department of Intensive Care Medicine, Inselspital, Bern University Hospital, Switzerland.
Author details {5a}	Aileen Naef1, Marie-Madlen Jeitziner2, Stephan M. Gerber1, Béatrice Jenni-Moser2, René M. Müri1,3, Stephan M. Jakob2, Tobias Nef3,4, Matthias Hänggi2 1. Gerontechnology and Rehabilitation Group, University of Bern, Bern, Switzerland 2. Department of Intensive Care Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland 3. Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Switzerland 4. ARTORG Centre for Biomedical Engineering Research, University of Bern, Bern, Switzerland
Name and contact information for the trial sponsor {5b}	Prof. Dr. med. Stephan M. Jakob, Chief Physician, Department of Intensive Care Medicine, Inselspital, Bern University Hospital, University of Bern, CH-3010 Bern Tel.: +  41 (0)31632 39 38 / Email: stephan.jakob@insel.ch
Role of sponsor {5c}	The sponsor was involved in the study design, writing of the report, and the decision to submit the report for publication. The sponsor will also be involved in the interpretation of the data. The sponsor will not be involved in the collection, management, and analysis of the data.