About the Authors

Roland G. Roberts

rroberts@plos.org

Affiliation Public Library of Science, San Francisco, California, United States of America and Cambridge, United Kingdom

on behalf of PLOS Biology staff editors

‡ The PLOS Biology staff editors are Ines Alvarez-Garcia, Joanna Clarke, Richard Hodge, Nonia Pariente, Roland Roberts, Christian Schnell, Lucas Smith and Melissa Vazquez Hernandez

Affiliation Public Library of Science, San Francisco, California, United States of America and Cambridge, United Kingdom

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: The authors are paid employees of PLOS.