Thomas J. Stephens & Associates, Colorado Springs, Colorado, United States
TKL Research, Inc., Ramsey, New Jersey, United States
TKL Research, Inc, Paramus, New Jersey, United States
BioScience Laboratories, Bozeman, Montana, United States
BioScience Laboratories, Bozeman, Montana, United States
Profil Institut fur Stoffwechselforschung GmbH, Neuss, Germany