About the Authors

Warren D. Taylor

taylo066@mc.duke.edu

Affiliations The Department of Psychiatry, Durham, North Carolina, United States of America, The Neuropsychiatric Imaging Research Laboratory, Durham, North Carolina, United States of America

Maragatha Kuchibhatla

Affiliations The Department of Biostatistics and Bioinformatics, Durham, North Carolina, United States of America, The Department of Psychiatry, Durham, North Carolina, United States of America, The Center for the Study of Aging and Human Development, Durham, North Carolina, United States of America

Martha E. Payne

Affiliations The Department of Psychiatry, Durham, North Carolina, United States of America, The Neuropsychiatric Imaging Research Laboratory, Durham, North Carolina, United States of America

James R. MacFall

Affiliations The Department of Radiology, Durham, North Carolina, United States of America, The Neuropsychiatric Imaging Research Laboratory, Durham, North Carolina, United States of America

Yvette I. Sheline

Affiliation The Department of Psychiatry, Washington University, St. Louis, Missouri, United States of America

K. Ranga Krishnan

Affiliations The Department of Psychiatry, Durham, North Carolina, United States of America, The Duke-NUS Graduate Medical School Singapore, Singapore, Singapore

P. Murali Doraiswamy

Affiliation The Department of Psychiatry, Durham, North Carolina, United States of America

Competing Interests

Drs. Taylor, Kuchibhatla, Payne and MacFall report no conflicts of interest. Dr. Sheline reports serving on the advisory board for Wyeth Pharmaceuticals and Cyberonics and serving on the Eli-Lilly Speakers Bureau. Dr. Krishnan reports serving as a consultant for Amgen, Bristol-Myer Squibb, CeNeRx, Corcept, GlaxoSmithKline, Johnson & Johnson, Lundbeck, Merck, Organon, Pfizer, Sepracor, and Wyeth. Dr. Doraiswamy has received research grants and honoraria for consulting or speaking from several pharmaceutical companies and antidepressant manufacturers, and stock in Sonexa Therapeutics.

Author Contributions

Conceived and designed the experiments: WDT MEP JRM YIS KRK PMD. Performed the experiments: PMD. Analyzed the data: WDT MK. Contributed reagents/materials/analysis tools: MEP JRM. Wrote the paper: WDT.