About the Authors

Baudouin Standaert

baudouin.a.standaert@gsk.com

Affiliation Health Economics, GlaxoSmithKline Vaccines, Wavre, Belgium

Jorge A. Gomez

Affiliation Medical Department, GlaxoSmithKline Vaccines Latin America, Victoria, Buenos Aires, Argentina

Marc Raes

Affiliation Department of Pediatrics, Jessa Hospital, Hasselt, Belgium

Serge Debrus

Affiliation Vaccine Development and Discovery, GlaxoSmithKline Vaccines, Wavre, Belgium

F. Raúl Velázquez

Affiliation Medical Research Unit on Infectious Diseases, Pediatrics Hospital, National Medical Center-Century XXI, Mexican Institute of Social Security (IMSS), Mexico City, Mexico

Maarten J. Postma

Affiliation Unit of Pharmacoepidemiology and Pharmacoeconomics (PE2), Department of Pharmacy, University of Groningen, Groningen, The Netherlands

Competing Interests

BS, SD and JG are employees of the GlaxoSmithKline group of companies and own stock in the GlaxoSmithKline group of companies. MR's institution received a research grant from the GlaxoSmithKline group of companies for conducting the present study, received funding from the GlaxoSmithKline group of companies for membership of an expert board, and has received funding for travel, accommodation and meetings expenses from the GlaxoSmithKline group of companies, MSD and Pfizer. FRV has received lecture fees, and his institution has received research grants, from the GlaxoSmithKline group of companies. MJP received research grants, honoraria, travel grants and consultancy fees from various pharmaceutical companies (including both companies involved in the production of both rotavirus vaccines; i.e. the GlaxoSmithKline group of companies and Sanofi-Pasteur MSD) for investigations into the economics of vaccines, drugs and methodologies. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Acquired the data: BS JG MR SD. Reviewed and commented on drafts: BS MR JG SR FRV MJP. Approved the final manuscript: BS MR JG SR FRV MJP. Conceived and designed the experiments: BS FRV MJP. Analyzed the data: BS JG MR SD. Wrote the paper: BS MJP.