About the Authors

Swathi Iyengar

Affiliation World Health Organization, Geneva, Switzerland

Kiu Tay-Teo

Affiliation World Health Organization, Geneva, Switzerland

Sabine Vogler

Affiliation WHO Collaborating Centre for Pharmaceutical Pricing and Reimbursement Policies, Health Economics Department, Gesundheit Österreich GmbH, Vienna, Austria

Peter Beyer

Affiliation World Health Organization, Geneva, Switzerland

Stefan Wiktor

Affiliation World Health Organization, Geneva, Switzerland

Kees de Joncheere

Affiliation World Health Organization, Geneva, Switzerland

Suzanne Hill

hills@who.int

Affiliation World Health Organization, Geneva, Switzerland

Competing Interests

We have read the journal's policy and the authors of this manuscript have the following competing interests: SH is a member of the PLOS Medicine Editorial Board. KTT has been an employee of Deloitte Australia within the past 5 years. Deloitte Australia has provided consulting services to pharmaceutical companies. However, KTT has not been involved in any project directly related to the content of this manuscript that can lead to conflict of interest.

Author Contributions

Conceived and designed the experiments: SI KTT SV PB SW KdJ SH. Performed the experiments: SI KTT SV PB SH. Analyzed the data: SI KTT SV SH. Contributed reagents/materials/analysis tools: SI KTT SV SH. Wrote the first draft of the manuscript: SI KTT SH. Contributed to the writing of the manuscript: SI KTT SV PB SW KdJ SH. Agree with the manuscript’s results and conclusions: SI KTT SV PB SW KdJ SH. All authors have read, and confirm that they meet, ICMJE criteria for authorship.