userv is
Copyright 1996-2021 Ian Jackson <ian@davenant.greenend.org.uk>.
+Copyright 2021 Genome Research Limited
+ apropos work by Matthew Vernon <mv3@sanger.ac.uk>
Copyright 2000 Ben Harris <bjh21@cam.ac.uk>
Copyright 2016-2017 Peter Benie <pjb1008@cam.ac.uk>