About the Authors
- André G. Mendonça, Renato J. Alves, José B. Pereira-Leal
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JBPL. Performed the experiments: AGM RJA. Analyzed the data: AGM RJA JBPL. Wrote the paper: JBPL.