Text and Data Mining valid from 2018-12-07
Received: 18 September 2018
Accepted: 21 November 2018
First Online: 7 December 2018
Compliance with ethical standards
: Animals were treated in the respect of ethic and deontology, and all the procedure was accorded with Guidelines for Ethical Conduct in the Care and Use of Animals.
: The authors declare that there are no conflicts of interest.