AUTHOR=Sargisson Rebecca J. , McLean Ian G. TITLE=Commentary: Efficacy of Dog Training With and Without Remote Electronic Collars vs. a Focus on Positive Reinforcement JOURNAL=Frontiers in Veterinary Science VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2021.629746 DOI=10.3389/fvets.2021.629746 ISSN=2297-1769