Text and Data Mining valid from 2019-09-11
Received: 6 March 2019
Accepted: 5 September 2019
First Online: 11 September 2019
Ethics approval and consent to participate
: This study was conducted according to the ethical standards of the University of Veterinary Medicine Hannover, Foundation. The doctoral thesis committee of the university, which acts as the University’s ethics committee, validated the project in accordance to ethical guidelines regarding research with human participants and approved the study. Written consent to be part of the study was obtained from all participants. The data protection officer reviewed the proposed project regarding observance of the data protection law and gave permission to perform the study. All of the data obtained were processed and evaluated anonymously and in compliance with EU Directive 95/46/EC.
: Not applicable.
: The authors declare that they have no competing interests.