1. School of Community Health Service, Western Michigan University, Kalamazoo, Michigan.
2. Life Sciences Division, AIBR, Inc., Tacoma, Washington, and Research Department, National College of Naturopathic Medicine, Portland, Oregon.
3. I.B. Scientific, LLC, Durham, New Hampshire, and Rainstor College, Scottsdale, Arizona.
4. Holistic Health Center, Battle Creek, Michigan.