[1] Hlth & Environm Sci Inst, Washington, DC USA
[2] Amer Bot Council, Austin, TX USA
[3] Amer Herbal Prod Assoc, Silver Spring, MD USA
[4] Procter & Gamble Hlth Care, Cincinnati, OH USA
[5] Steigerwald Arzneimittelwerk GmbH, R&D Phytomed, Phytomedicines Supply & Dev Ctr, Bayer Consumer Hlth, Darmstadt, Germany
[6] US Pharmacopeia, Rockville, MD USA
[7] NIEHS, POB 12233, Res Triangle Pk, NC 27709 USA
[8] Alkemist Labs, Garden Grove, CA USA
[9] US FDA, Silver Spring, MD USA