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Article History

Received: 6 December 2020

Accepted: 7 January 2021

First Online: 15 February 2021

Change Date: 7 April 2021

Change Type: Update

Change Details: Open Access funding note to be added to fulfill the contractual requirement of the Germany fully OA/Sweden fully OA agreement. The article has been updated.

Ethics approval and consent to participate

: The protocol was approved by the local independent ethics committee (Ethikkommission der Sächsischen Landesärztekammer, Dresden, Germany, EK-MPG-09/06–1). All patients (or, for unconscious patients, the legal guardian) gave their written informed consent to participate. The study protocol was performed in accordance with the relevant guidelines.

: Consent for publication of raw data was not obtained, but the dataset is fully anonymous in a manner that can easily be verified by any user of the dataset. Publication of the dataset clearly and obviously presents no risk to the confidentiality of the study participants. All data have been anonymized. No details on individuals or personally identifiable data are reported within the manuscript (approved by the local independent ethics committee, EK-MPG-09/06–1).

: None. The authors have no potential financial or academic conflicts of interest to disclose. All authors declare no support from or financial relationships with any organization that might have an interest in the submitted work.