Funding for this research was provided by:
Tehran University of Medical Sciences (Grant no 8: 98/33/53/1192)
Received: 26 January 2021
Accepted: 14 June 2021
First Online: 13 July 2021
: The study has been approved by committee in research, School of Health and Paramedical Sciences, Tehran University (IR.TUMS.SPH.REC.1399.022). Dog owners were informed of the study objectives and voluntary verbal and written consent were obtained.
: Not applicable.
: The authors declare no competing interest.