Nu Skin, Provo, Utah, United States
PCR Corp, Chelmsford, Essex, United Kingdom
PCR Corp, Manchester, United Kingdom
Clinical Research Australia, Duncraig, Western Austrailia, Australia
Shanghai China-norm Quality Technical Service Co., Ltd., Shanghai, Shanghai, China
Nu Skin (China) Daily-use & Health Products CO., LTD, Shanghai, Shanghai, China
UC Davis Nutrition Department, Davis, California, United States
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States