Surrogate decision-making for people with disorders of consciousness: considering the control-preferences of informal caregivers before implementing multimodal testing

The study protocol was registered at ClinicalTrials.gov (identifier: NCT04798456). The study was retrospectively registered on 15 March 2021 for the purpose of transparency. The protocol had been finalized before the start of the data collection. Further details can be accessed at https://clinicaltrials.gov/ct2/show/NCT04798456 .