1. Department of Health Sciences, University of York, York, United Kingdom.
2. National Center for Complementary and Alternative Medicine, National Institutes of Health, Bethesda, MD.
3. Peninsular Medical School, University of Exeter, Exeter, United Kingdom.
4. Windpath Healing Works LLC, Bethesda, MD.
5. University of Southampton, Southampton, United Kingdom.
6. Oregon College of Oriental Medicine, Portland, OR