About the Authors

Yordanos B. Molla
Department of Earth Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Yordanos B. Molla, Jennifer S. Le Blond, Melanie J. Newport, Gail Davey
Brighton and Sussex Medical School, Falmer, Brighton, United Kingdom

Jennifer S. Le Blond
Department of Earth Sciences, Natural History Museum, London, United Kingdom

Nicola Wardrop, Peter M. Atkinson
Geography and Environment, University of Southampton, Highfield Campus, Southampton, United Kingdom

Peter Baxter
Institute of Public Health, University of Cambridge, Cambridge, United Kingdom

Corresponding Author

jordi_belayneh@yahoo.com

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YBM MJN GD. Performed the experiments: YBM JSLB GD. Analyzed the data: YBM GD. Contributed reagents/materials/analysis tools: YBM JSLB PMA PB MJN NW GD. Wrote the paper: YBM JSLB PMA PB MJN NW GD.