About the Authors
- J. Ties Boerma
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* E-mail: boermat@who.int
Affiliation World Health Organization, Geneva, Switzerland
- Colin Mathers
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Affiliation World Health Organization, Geneva, Switzerland
- Carla Abou-Zahr
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Affiliation Geneva, Switzerland
Competing Interests
While working at WHO, CAZ was involved in the development of global estimates. Disclaimer: The authors are staff members of the World Health Organization. The authors alone are responsible for the views expressed in this publication, and they do not necessarily represent the decisions or policies of the World Health Organization.
Author Contributions
ICMJE criteria for authorship read and met: JTB CM CAZ. Wrote the first draft of the paper: JTB. Contributed to the writing of the paper: CM CAZ.