About the Authors
- Peter Byass
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* E-mail: peter.byass@epiph.umu.se
Affiliation Umeå Centre for Global Health Research, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
ICMJE criteria for authorship read and met: PB.