1. National University of Natural Medicine; Helfgott Research Institute; 2220 SW 1st Ave Portland OR USA 97102
2. University of Technology Sydney; Australian Research Center in Complementary and Integrative Medicine; Ultimo New South Wales Australia
3. Bastyr University; Naturopathic Medicine; 14500 Juanita Dr. NE Kenmore WA USA
4. Bastyr University; Kenmore WA USA
5. University of South Wales; Cardiff UK
6. University of Tasmania; School of Medicine; Hobart Australia
7. University of Technology Sydney; Australian Research Centre for Complementary and Integrative Medicine; Sydney Australia
8. Dalhousie University; Department of Community Health and Epidemiology; 5790 University Avenue Halifax NS Canada B3H 1V7