Figure 2 (IMAGE) Impact Journals LLC Caption Filters for a systematic search of RNA-based markers. Credit Correspondence to - Georg Sczakiel - email@example.com Usage Restrictions Copyright: © 2021 Dubois et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.