Prevalence of Anal Fistulas in Europe: Systematic Literature Reviews and Population-Based Database Analysis García-OlmoDamián AsscheGert Van TagarroIgnacio DiezMary Carmen RichardMarie Paule KhalidJavaria M DijkMarc van BennettDimitri HokkanenSuvi RK PanésJulián 2019 <p><strong>Provide enhanced digital features for this article</strong><br></p><p> If you are an author of this publication and would like to provide additional enhanced digital features for your article then please contact <u>adisrapidplus@springer.com</u>.<br> <br> The journal offers a range of additional features designed to increase visibility and readership. All features will be thoroughly peer reviewed to ensure the content is of the highest scientific standard and all features are marked as ‘peer reviewed’ to ensure readers are aware that the content has been reviewed to the same level as the articles they are being presented alongside. Moreover, all sponsorship and disclosure information is included to provide complete transparency and adherence to good publication practices. This ensures that however the content is reached the reader has a full understanding of its origin. No fees are charged for hosting additional open access content.<br> <br> Other enhanced features include, but are not limited to:<br> • Slide decks<br> • Videos and animations<br> • Audio abstracts<br> • Audio slides</p> <p> </p>