Low-molecular-weight heparins are superior to vitamin K antagonists for the long term treatment of venous thromboembolism in patients with cancer: a cochrane systematic review.

"Competing interests Schünemann: no personal payments from for-profit sponsors, but he received research grants and honoraria that were deposited into research accounts or received by a research group that he belongs to from AstraZeneca, Amgen, Chiesi Foundation, Lily, and Pfizer, Roche and UnitedBioSource for development or consulting regarding quality of life instruments for chronic respiratory diseases and as lecture fees related to the methodology of evidence based practice guideline development and research methodology. Institutions or organizations that he is affiliated with likely receive funding from for-profit sponsors that are supporting infrastructure and research that may serve his work."

"AcknowledgementsThis paper is based on a Cochrane Review to be first published in The Cochrane Library 2007, Issue 3. Cochrane reviews are regularly updated as new evidence emerges and in response to comments and criticisms, and The Cochrane Library should be consulted for the most recent version of the review.We thank Drs. Buller, Deitcher, Harenberg, Huisman, Hull, Schulman, Prandoni, Siragusa and Wells for their assistance. We thank Ms. Ann Grifasi for her administrative support.Holger Schünemann is supported by an EU Marie Curie Reintegration Grant (IGR 42192). Internal Funding from the State University of New York at Buffalo, NY, USA and the Italian National Cancer Institute Regina Elena, Rome, Italy. Funding bodies were not involved in the collection, analysis, and interpretation of data; in the writing of the manuscript; or in the decision to submit the manuscript for publication."