Freeman, Ellen W. PhD1,2; Sammel, Mary D. ScD3; Sanders, Richard J. MS4
From the Departments of 1Obstetrics and Gynecology and 2Psychiatry, and Centers for 3Clinical Epidemiology and Biostatistics and 4Research in Reproduction and Women’s Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
Received October 24, 2013; revised and accepted November 26, 2013.
Funding/support: This study was supported by National Institutes of Health grants RO1 AG12745 (to E.W.F., principal investigator) and UL1TR000003 (to the Clinical and Translational Research Center, Perelman School of Medicine, University of Pennsylvania).
Financial disclosure/conflicts of interest: In the past 12 months, E.W.F. received a grant (paid to the University of Pennsylvania) from Forest Research Inc. The other authors declare no conflicts of interest.
Address correspondence to: Ellen W. Freeman, PhD, Suite 820 (Mudd), 3701 Market Street, Philadelphia, PA 19104. E-mail: [email protected]