Text and Data Mining valid from 2019-02-05
Received: 20 February 2018
Revised: 20 August 2018
Accepted: 11 January 2019
First Online: 5 February 2019
Compliance with ethical standards
: All methods were ethical and respectful of animal welfare and the conservation of protected species, according to international standards (Sikes and Gannon CitationRef removed) and Ukrainian National Law.