Article History
Received: 12 August 2019
Accepted: 9 December 2019
First Online: 8 February 2020
Compliance with ethical standards
:
: The authors declare they have no competing interest.
: The study was approved by the ethics committee of the University Medical Center Freiburg (approval number 330/17) in advance and conforms to the Declaration of Helsinki. The trial was registered in advance in the German Clinical Trials Register (DRKS00012732).
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (ethics committee of the University Medical Center Freiburg-approval number 330/17) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. According to the statement of the ethics committee there patients’ approval was waived because no examinations and measurements beyond the routine monitoring at the ED were performed and recorded.
: For this type of study, formal consent is not required.