About the Authors

Jenny W. Sun

Roles Conceptualization, Data curation, Formal analysis, Writing – original draft, Writing – review & editing

jennysun@mail.harvard.edu

Affiliations Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States of America, Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America

Jessica M. Franklin

Roles Conceptualization, Supervision, Writing – review & editing

Affiliation Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States of America

Kathryn Rough

Roles Conceptualization, Data curation, Writing – review & editing

Affiliations Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States of America, Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America

Rishi J. Desai

Roles Conceptualization, Writing – review & editing

Affiliation Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States of America

Sonia Hernández-Díaz

Roles Conceptualization, Funding acquisition, Writing – review & editing

Affiliation Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, United States of America

Krista F. Huybrechts

Roles Conceptualization, Funding acquisition, Writing – review & editing

Affiliation Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States of America

Brian T. Bateman

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

Affiliations Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States of America, Department of Anesthesiology, Perioperative, and Pain Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States of America

Competing Interests

KR is currently employed by Google for research work unrelated to the topic of this work. SHD participated as investigator in projects funded by Pfizer, GSK, and Eli Lilly; and consulted for Boehringer-Ingelheim, Roche and UCB as a methods advisor for pregnancy studies. KFH participated as investigator on grants to the Brigham and Women’s Hospital from Boehringer Ingelheim, Pfizer, Eli Lilly and GSK. BTB is an investigator on grants to Brigham and Women’s Hospital from Pfizer, Baxalta, GSK, Pacira, and Eli Lilly. He served on an expert panel on a postpartum hemorrhage quality improvement project sponsored by a grant from Merck for Mothers and as a consultant to the Alosa Foundation and Aetion, Inc. This does not alter our adherence to PLOS ONE policies on sharing data and materials.