Funding for this research was provided by:
Deutsche Rentenversicherung Bayern Süd (Ref. No. 5.011-6.031.115)
Received: 2 June 2021
Accepted: 27 September 2021
First Online: 6 October 2021
: The study protocol was approved by the independent Research Ethics Committee of the Medical Faculty of Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany in 2015 (Ref. No. 321_15B). The Department of Data Privacy Collection of the German Pension Insurance Association, Section Bavaria South approved the STAR study data security model to ensure confidentiality before, during, and after the trial. The participants’ signed informed consent was a prerequisite for their taking part in the STAR study.
: Not applicable.
: The authors declare that they have no conflicts of interest relevant to the study.