1. United States Pharmacopeial Convention (USP), Rockville, MD, USA
2. American Herbal Pharmacopoeia, Scotts Valley, CA, USA
3. European Pharmacopoeia, European Directorate for Quality of Medicines and Healthcare, Strasbourg, France
4. Shanghai Institute of Materia Medica, Shanghai, China
5. USP Botanical Dietary Supplements and Herbal Medicines Expert Committee, Rockville, MD, USA
6. National Center for Natural Products Research, University of Mississippi, University, MS, USA