About the Authors

Bodo M. Stern

osheae@hhmi.org (EKO); sternb@hhmi.org (BMS)

Affiliation Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America

Erin K. O’Shea

osheae@hhmi.org (EKO); sternb@hhmi.org (BMS)

Affiliation Howard Hughes Medical Institute, Chevy Chase, Maryland, United States of America

Competing Interests

We have read the journal's policy and the authors of this manuscript have the following competing interest: Both authors are employees of the Howard Hughes Medical Institute.