About the Authors

Oliver Gruebner

Contributed equally to this work with: Oliver Gruebner, Sven Lautenbach, M. M. H. Khan

gruebner@hsph.harvard.edu

Affiliations Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, United States of America, Center for Development and Environment (CDE), University of Bern, Bern, Switzerland

Sven Lautenbach

Contributed equally to this work with: Oliver Gruebner, Sven Lautenbach, M. M. H. Khan

Affiliation Institute of Geodesy and Geoinformation, University of Bonn, Bonn, Germany

M. M. H. Khan

Contributed equally to this work with: Oliver Gruebner, Sven Lautenbach, M. M. H. Khan

Affiliation Department of Public Health Medicine, School of Public Health, University of Bielefeld, Bielefeld, Germany

Samuel Kipruto

‡ These authors also contributed equally to this work.

Affiliation Kenya Bureau of Statistics (KNBS), Nairobi, Kenya

Michael Epprecht

‡ These authors also contributed equally to this work.

Affiliation Center for Development and Environment (CDE), University of Bern, Bern, Switzerland

Sandro Galea

‡ These authors also contributed equally to this work.

Affiliation School of Public Health, Boston University, Boston, MA, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OG SL MMHK SK ME SG. Performed the experiments: OG SL MMHK SK ME SG. Analyzed the data: OG SL MMHK SK ME. Contributed reagents/materials/analysis tools: OG SL MMHK SK ME SG. Wrote the paper: OG SL MMHK SK ME SG. Revised and commented on the final manuscript: OG SL MMHK SK ME SG.