Funding for this research was provided by:
Austrian Society for Internal Medicine and General Intensive Care and Emergency Medicine
Received: 3 March 2020
Accepted: 23 March 2020
First Online: 2 April 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Medical University of Vienna (EC#1177/2018) and conducted in accordance with Helsinki Declarations. According to Austrian law regulations, prior to the study enrolment, a waiver was obtained and patients were informed about their participation after regaining consciousness.
: Not applicable
: The authors declare that they have no competing interests.