Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (31003A_182481)
Article History
Received: 16 October 2019
Accepted: 22 October 2020
First Online: 12 November 2020
Ethics approval and consent to participate
: The study is based on analysis of previously published data properly cited within the manuscript. All tissue materials used for testing of new reference genes were used before. The full list of samples and details regarding ethics approvals are provided in Supplementary Material 1. Those included permits approved by the respective authorities of the Justus Liebig University, Giessen, Germany (permit no. II 25.3-19c20-15c GI 18/14 and VIG3-19c-20/15c GI 18,14); Ondokuz Mayıs University Samsun, Turkey (Animal Experiments Local Ethics Committee, HADYEK, permit no. 2015/82); permit no. 2008–25-124 from the Faculty of Veterinary Medicine, University of Ankara and permit 54/2008, University of Warmia and Mazury in Olsztyn, Poland.
: Not applicable.
: The authors declare that that they have no competing interests that could be perceived as prejudicing the impartiality of the research reported. All authors read and approved the final version of the manuscript.