Text and Data Mining valid from 2019-09-17
Received: 26 April 2019
Revised: 25 August 2019
Accepted: 13 September 2019
First Online: 17 September 2019
Compliance with ethical standards
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed and approved by the animal welfare board of Nürtingen-Geislingen University. All procedures performed in the study involving human participants were in accordance with the ethical standards of the ethics committee of Nürtingen-Geislingen University and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.