Bruce P. Barrett, MD, PhD; Roger L. Brown, PhD; Kristin Locken, BA; Rob Maberry, BA; James A. Bobula, PhD; Donn D'Alessio, MD
Acknowledgments: The authors acknowledge the Native American peoples who first brought echinacea to the attention of the world community. They thank the study participants and the research assistants who worked with them: Beth Amspaugh, Kira Conroy Williams, and Peter Jung; and Marijka Hambrecht, who very effectively managed the Web-based data collection tool. They thank Carlo Calabrese, John Frey, Jim Gern, Jack Gwaltney, Mike Fleming, Pat McBride, Mary Beth Plane, and Bill Scheckler for helpful comments. In addition, they thank Pam Manning, Chris Jensen, and Eric Zaltas at Shaklee Tecnica for their excellent work.
Grant Support: By the U.S. Department of Health and Human Services (Institutional National Research Service Award T-32 HP 10010-09 from the Health Resources and Services Administration [Dr. Barrett]), National Center for Complementary and Alternative Medicine at the National Institutes of Health (K23 AT00051-01 [Dr. Barrett]), and Shaklee Tecnica.
Potential Financial Conflicts of Interest: None disclosed.
Requests for Single Reprints: Bruce P. Barrett, MD, PhD, Department of Family Medicine, University of Wisconsin—Madison, 777 South Mills Street, Madison, WI 53715.
Current Author Addresses: Dr. Barrett and Brown, Ms. Locken, Mr. Maberry, and Dr. Bobula: Department of Family Medicine, University of Wisconsin—Madison, 777 South Mills, Madison, WI 53715.
Dr. D'Alessio: Population Health Services, 610 Walnut Street, University of Wisconsin—Madison, Madison, WI 53726.
Author Contributions: Conception and design: B.P. Barrett, R.L. Brown, J.A. Bobula, D. D'Alessio.
Analysis and interpretation of the data: B.P. Barrett, R.L. Brown.
Drafting of the article: B.P. Barrett.
Critical revision of the article for important intellectual content: B.P. Barrett, R.L. Brown, J.A. Bobula, D. D'Alessio.
Final approval of the article: B.P. Barrett.
Statistical expertise: R.L. Brown.
Obtaining of funding: B.P. Barrett, R. Maberry.
Administrative, technical, or logistic support: K. Locken, R. Maberry, J.A. Bobula.
Collection and assembly of data: K. Locken, R. Maberry.
Barrett BP, Brown RL, Locken K, Maberry R, Bobula JA, D'Alessio D. Treatment of the Common Cold with Unrefined Echinacea: A Randomized, Double-Blind, Placebo-Controlled Trial. Ann Intern Med. 2002;137:939-946. doi: 10.7326/0003-4819-137-12-200212170-00006
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Published: Ann Intern Med. 2002;137(12):939-946.
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