About the Authors

Ellen Korol

Affiliation Oxford Outcomes, Vancouver, British Columbia, Canada

Karissa Johnston

Affiliation Oxford Outcomes, Vancouver, British Columbia, Canada

Nathalie Waser

Affiliation Oxford Outcomes, Vancouver, British Columbia, Canada

Frangiscos Sifakis

Affiliation MedImmune, Gaithersburg, Maryland, United States of America

Hasan S. Jafri

Affiliation MedImmune, Gaithersburg, Maryland, United States of America

Mathew Lo

Current address: Savant HWP, San Carlos, California, United States of America

Affiliation MedImmune, Gaithersburg, Maryland, United States of America

Moe H. Kyaw

mkyaw11@gmail.com

Affiliation MedImmune, Gaithersburg, Maryland, United States of America

Competing Interests

The authors have the following interests: this study was sponsored by MedImmune, the employer of Frangiscos Sifakis, Hasan S. Jafri, Mathew Lo, Moe H. Kyaw at the time of the study. Ellen Korol, Karissa Johnston and Nathalie Waser are employed by Oxford Outcomes, and served as consultants for MedImmune in performing this research. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: EK KJ NW FS HSJ ML MHK. Analyzed the data: EK KJ NW. Wrote the manuscript: EK KJ NW FS HSJ ML MHK.