Because the NIH ‘Public Access’ policy is voluntary, authors may elect not to deposit such articles in PMC. If you wish to ‘opt out’ and not deposit to PMC, you may indicate this by sending an e-mail to [email protected]. There will be no need for you to post your manuscript Apitolisib ic50 directly to PubMed Central, and any such posting is prohibited. Individual modifications to this general policy may apply to some Elsevier journals and to its society publishing partners. GASTROINTESTINAL ENDOSCOPY will consider the following types of submissions. Authors should consider these categories and review recent issues of the journal

when preparing submissions. If you believe that your article should exceed

these word lengths, please contact Managing Editor Deborah Bowman at [email protected] and explain the reasons for the longer length. Word count does NOT include the abstract, tables, figure legends, take-home this website message, or references. • Original Article: work limited to 3500 words and 50 references reporting basic science or clinical investigations in areas relevant to gastrointestinal endoscopy. Original submissions will be considered for publication with the understanding that they are contributed solely to Gastrointestinal Endoscopy. If any material related to the submission (other than a brief abstract) has been published in any medium or has been submitted for publication elsewhere, the authors should provide copies of all related manuscripts, and outline the relationship of all materials for the Editor, to avoid allegations of duplicate publication. At the time an article is accepted and sent to Elsevier for production, a Journal Publishing Agreement will be e-mailed to the corresponding author. This NADPH-cytochrome-c2 reductase original document, containing the author(s) ink signatures,

should be returned to Elsevier at the following address. This must be on file before publication can occur. Pushpa Vairam Elsevier, Inc. 360 Park Avenue South New York, NY 10010 E-mail: [email protected] Fax: 31-2048-52789 • The Journal Publishing Agreement must be completed in its entirety. Under Enter Classifications, authors must choose as many classifications as is appropriate for the article. Editors and reviewers will be assigned based on the classifications chosen. When prompted by the online submission process, authors should provide no fewer than three but no more than five key words that reflect the content of the manuscript. For guidance, consult the Medical Subject Headings (MeSH terms), available online at http://www.nlm.nih.gov/mesh/meshhome.html. The online instructions will guide you in creating this item.