About the Authors
Global Health Institute, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MLS MB. Performed the experiments: MLS MB. Analyzed the data: MB. Contributed reagents/materials/analysis tools: MLS MB. Wrote the paper: MB.