Ensuring an Accurate Scientific Record in an Era of Pre-print Servers. Pre-print servers should ensure that all content is marked as not peer-reviewed and be prepared to retract pre-prints fast.

Pre-print servers are more than 3 decades old, although they are relatively new in biomedical research (1–2). arXIV, which includes pre-prints in math, physics, and computer science, was founded in 1991 (3). In contrast, bioRxiv, which focuses on the...