About the Authors

Rea Tschopp

rea.tschopp@unibas.ch

Affiliations Armauer Hansen Research Institute, Addis Ababa, Ethiopia, Swiss Tropical and Public Health Institute, Basel, Switzerland

Shiferaw Bekele

Affiliation Armauer Hansen Research Institute, Addis Ababa, Ethiopia

Abraham Aseffa

Affiliation Armauer Hansen Research Institute, Addis Ababa, Ethiopia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RT AA. Performed the experiments: RT SB. Analyzed the data: RT. Contributed reagents/materials/analysis tools: RT SB AA. Wrote the paper: RT SB AA.