Funding for this research was provided by:
Medizinische Hochschule Hannover (MHH)
Text and Data Mining valid from 2020-02-12
Received: 12 October 2019
Revised: 21 November 2019
Accepted: 25 November 2019
First Online: 12 February 2020
Compliance with ethical standards
: The Ethics Committee of Hannover Medical School has agreed to this policy.
: The authors declare that they have no conflict of interest.