All Cochrane Reviews are free to view 12 months after publication and all protocols are free to view immediately upon publication (via green open access). Authors also have the option to publish with a Creative Commons licence, which enables immediate open access and other benefits, upon payment of an APC or via a fee waiver for eligible author teams (via gold open access).

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Authors of Cochrane Reviews can choose one of two options for publishing their articles:

• Gold open access: immediate open access upon payment of an article publication charge fee. 
• Green open access: publication via the ‘standard’ model, with free access to the full article 12 months after publication (Cochrane Reviews) or upon publication (protocols for Cochrane Reviews).

Gold open access

Immediate open access upon payment of an article publication charge fee. 

Via Cochrane's publisher (Wiley's) open access service, Online Open,authors  authors and their funders have the option to fund individual articles, or groups of articles, to enable them to be published on an open access basis immediately, using a Creative Commons licence.

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Authors paying an APC for gold open access will sign a licence for publication form that reflects the open access nature of the article (see Licence for publication: open access). Authors retain copyright and grant The Cochrane Collaboration an exclusive licence to publish the article (as usual), and can choose either a CC BY-NC or CC BY-NC-ND licence, which defines the terms of use (see Table 2). If authors are funded by RCUK or Wellcome Trust a CC BY licence is available on request.

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An author from a HINARI A or B country (www.who.int/hinari/eligibility/en/) who is the first author of a Cochrane Review, Protocol, or Update is eligible for a waiver for the APC, provided funding for the Cochrane Review does not include funds for the APC. Qualifying authors should contact their Managing Editor before signing the licence for publication form. (Further information for Managing Editors.)

Funders should contact Deborah Pentesco-Gilbert Murphy (dpentesc@wiley.com; Publisher, Wiley) to discuss discounts, such as the block purchase of APCs.

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Wiley will respect funder mandates and implement the requirements. Contact Deborah Pentesco-Murphy, Publisher of the Cochrane Library Murphy (dpentesc@wiley.com; Publisher, Wiley) for  for queries.

Authors funded by Research Councils UK (RCUK) and The Wellcome Trust should note that both funders have new open access policies effective from 1 April 2013. These policies state that to be compliant, journals must offer a “pay to publish” (gold OA) option. When an article publication charge is paid the policies also mandate the use of the CC-BY license. The CC-BY license allows others to modify, build upon and/or distribute the licensed work (including for commercial purposes) as long as the original author is credited.

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Machine readability is one of the core components included in the guide. Contact Deborah Pentesco-Gilbert Murphy (dpentesc@wiley.com)), Publisher of the Cochrane Library,; Publisher, Wiley) to discuss permission to crawl or access the article full-text, metadata, and citations, and the use of an API for this purpose.

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