Funding for this research was provided by:
Received: 15 May 2021
Accepted: 26 October 2021
First Online: 3 January 2022
: According to bylaw number 15, which regulates the rules of the ethics committee of the syndicate of physicians, Thueringen (Address: Im Semmicht 33, 07751 Jena-Maua), this study does not need the approval of the ethics committee. This is according to the decision of the legal section of the ethics committee of the syndicate of physicians, Thueringen (Dated: Wednesday 25.07.2018, 8:34).The Name of the ethics committee: Ethikkommission der Landesärztekammer Thüringen.All methods in the study were carried out in accordance with the Helsinki guidelines and declaration or any other relevant guidelines. We confirm that an informed consent was obtained from all our patients. We confirm that a written and verbal consent was obtained from all subjects. We have no patient under 18 years old.We confirm that there are no experimental trials in our study.
: Not Applicable.
: We declare that the authors have no competing interests as defined by BMC, or other interests that might be perceived to influence the results and/or discussion reported in this paper.