1. Harris College of Nursing and Health Sciences, Texas Christian University, Fort Worth, TX, USA.
2. Australian Research Centre in Complementary and Integrative Medicine (ARCCIM), University of Technology Sydney, Sydney, NSW, Australia.
3. National Centre for Naturopathic Medicine (NCNM), Southern Cross University, Lismore, NSW, Australia.
4. Department of Internal and Integrative Medicine, Evang. Kliniken Essen-Mitte, University of Duisburg-Essen, Essen, Germany.
5. Department of Health Sciences, Indiana University School of Health and Human Sciences, Indianapolis, IN, USA.
6. Department of Public Health, Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, Lubbock, TX, USA.