Received: 4 February 2020
Accepted: 2 November 2020
First Online: 10 November 2020
Ethics approval and consent to participate
: The study protocol was approved by the ethical review committee of the University of Évora (Órgão Responsável pelo Bem-estar dos Animais da Universidade de Évora, approval nº GD/32,055/2018/P1, September 25th, 2018). Written, informed consent was obtained from Guarda Nacional Republicana, Portuguese Gendarmerie, through dispatch of the Doctrine and Training Commander nº327/16, dated September 16th, 2016.
: Not applicable.
: The authors declare that they have no competing interests.