Perspective ARTICLE Frontiers in Veterinary Science, 29 September 2017 | A Comparison of Three Holistic Approaches to Health: One Health, EcoHealth, and Planetary Health Henrik Lerner1* and Charlotte Berg2 1Department of Health Care Sciences, Ersta Sköndal Bräcke University College, Stockholm, Sweden 2Department of Animal Environment and Health, SLU Swedish University of Agricultural Sciences, Skara, Sweden Please see