The entire contents of The Cochrane Library are protected by copyright (unless otherwise indicated on the title page of the article).
The Cochrane Database of Systematic Reviews (CDSR), the Cochrane Central Register of Controlled Trials (CENTRAL), the Cochrane Methodology Register (CMR), and About the Cochrane Collaboration Database are © The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. All rights reserved.
The NHS Economic Evaluation Database (NHS-EED), the Health Technology Assessment Database (HTA), and the Database of Abstracts of Reviews of Effects (DARE) are ©2010 University of York. Published by John Wiley & Sons, Ltd.
For further information, see: http://www.thecochranelibrary.com/view/0/AboutTheCochraneLibrary.html
The rights and restrictions governing use of articles from The Cochrane Library by authorised Users are outlined in the Terms and Conditions of Use below:
The article supplied to you by the document supply service may only be used for personal, non-commercial use. Unless expressly licensed by the publisher, you are not permitted to upload the electronic file to any intranet or publicly accessible website or to engage in any systematic distribution of the digital file in print or electronic format, whether or not for commercial or non-profit use, whether for a fee or free of charge. You may not modify or commercially exploit the electronic file in any way.
In order to protect the integrity and attribution of The Cochrane Library, you agree not to remove, obscure or modify any copyright or proprietary notices, author attribution or disclaimer contained therein or on any screen display. You may not integrate material from The Cochrane Library with other material or otherwise create derivative works in any medium. This is not meant to prohibit quotations for purposes of comment, criticism or similar scholarly purposes.
THE COCHRANE LIBRARY AND ALL MATERIALS CONTAINED THEREIN ARE PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF TITLE, OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE; THE USE OF THE COCHRANE LIBRARY AND ALL MATERIALS IS AT THE USER'S OWN RISK.