About the Authors
- Emmanuela Gakidou
*To whom correspondence should be addressed. E-mail: email@example.com
- Stella Nordhagen
- Ziad Obermeyer
The authors have declared that no competing interests exist.
EG, SN, and ZO designed the analytical framework. SN performed statistical analyses. EG, SN, and ZO drafted the manuscript. EG accepts full responsibility for the work and the conduct of the study, had access to the data, and controlled the decision to publish.