Financial Support: Research reported in this publication was supported by the National Institute of Neurological Disorders and Stroke of the National Institutes of Health under award number R01NS065257. The original study was funded by the National Headache Foundation through a grant from Ortho-McNeil Neurologics, Inc.
Rounding Behavior in the Reporting of Headache Frequency Complicates Headache Chronification Research
Article first published online: 30 MAY 2013
© 2013 American Headache Society
Headache: The Journal of Head and Face Pain
Volume 53, Issue 6, pages 908–919, June 2013
How to Cite
Houle, T. T., Turner, D. P., Houle, T. A., Smitherman, T. A., Martin, V., Penzien, D. B. and Lipton, R. B. (2013), Rounding Behavior in the Reporting of Headache Frequency Complicates Headache Chronification Research. Headache: The Journal of Head and Face Pain, 53: 908–919. doi: 10.1111/head.12126
Conflicts of Interest: Timothy T. Houle: Dr. Houle receives research support from GlaxoSmithKline and Merck; Dana P. Turner: Ms. Turner receives research support from Merck; Thomas A. Houle: Dr. Houle reports no conflicts of interest; Todd A. Smitherman: Dr. Smitherman receives research support from Merck; Vincent T. Martin: Dr. Martin is a consultant for Allergan, Merck, and Nautilus; a speaker for Allergan; and has received grants from GlaxoSmithKline and Endo Pharmaceuticals; Donald B. Penzien: Dr. Penzien receives research support from Merck; Richard B. Lipton: Dr. Richard B. Lipton receives research support from the NIH [PO1 AG03949 (Program Director), PO1AG027734 (Project Leader), RO1AG025119 (Investigator), RO1AG022374-06A2 (Investigator), RO1AG034119 (Investigator), RO1AG12101 (Investigator), K23AG030857 (Mentor), K23NS05140901A1 (Mentor), and K23NS47256 (Mentor)], the National Headache Foundation, and the Migraine Research Fund; serves on the editorial boards of Neurology and Cephalalgia and as senior advisor to Headache, has reviewed for the NIA and NINDS, holds stock options in eNeura Therapeutics (a company without commercial products); serves as consultant, advisory board member, or has received honoraria from: Allergan, American Headache Society, Autonomic Technologies, Boehringer-Ingelheim Pharmaceuticals, Boston Scientific, Bristol Myers Squibb, Cognimed, Colucid, Eli Lilly, eNeura Therapeutics, GlaxoSmithKline, MAP, Merck, Nautilus Neuroscience, Novartis, NuPathe, Vedanta, Zogenix.
- Issue published online: 30 MAY 2013
- Article first published online: 30 MAY 2013
- Manuscript Accepted: 21 MAR 2013
- National Institute of Neurological Disorders and Stroke of the National Institutes of Health. Grant Number: R01NS065257
- Ortho-McNeil Neurologics, Inc