Wagner, Tobias
Bernhardt, Alexander M.
Magnussen, Christina
Reichenspurner, Hermann
Blankenberg, Stefan
Grahn, Hanno http://orcid.org/0000-0002-7397-7379
Article History
Received: 17 January 2020
Accepted: 10 May 2020
First Online: 25 May 2020
Ethics approval and consent to participate
: Individual patient consent was waived because this study did not interfere with patient treatment, and the database was designed so that individual patients could not be identified. All baseline and clinical characteristics were obtained from the medical record of patients.
: Not applicable.
: The authors declare that they have no competing interests.