About the Authors

Peter J. Stivers

peter.stivers@merck.com

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Lauren Harmonay

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Alexandra Hicks

Current address: Moderna Theraputics, Cambridge, Massachusetts, United States of America

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Huseyin Mehmet

Current address: Proteostasis Theraputics, Cambridge, Massachusetts, United States of America

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Melody Morris

Current address: Novartis, Cambridge, Massachusetts, United States of America

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Gain M. Robinson

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Peter R. Strack

Current address: Celgene, Bedford, Massachusetts, United States of America

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Mary J. Savage

Affiliation Merck & Co., Inc., Rahway, New Jersey, United States of America

Dennis M. Zaller

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Izabela Zwierzynski

Current address: Life Technologies, Philadelphia, Pennsylvania, United States of America

Affiliation Merck & Co., Inc., Rahway, New Jersey, United States of America

Philip E. Brandish

Affiliation Merck & Co., Inc., Boston, Massachusetts, United States of America

Competing Interests

All authors are employees and hold stock or stock options in Merck and Co. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: PS PB. Performed the experiments: PS LH GR MS IZ. Analyzed the data: PS AH HM MM GR PRS MS DZ IZ PB. Contributed reagents/materials/analysis tools: PS LH MM IZ. Wrote the paper: PS PB.