About the Authors
URMITE UMR 6236, CNRS-IRD, Faculté de Médecine et de Pharmacie, Marseille, France
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DR EA. Performed the experiments: EA. Analyzed the data: EA HR. Contributed reagents/materials/analysis tools: EA J-MR BLS. Wrote the paper: EA DR.