About the Authors
IMT, Norwegian University of Life Sciences, Ås, Norway
Department of Physiology, University of Oslo, Oslo, Norway
Institute of Biophysics, National Research Council, Palermo, Italy
The authors have declared that no competing interests exist.
Wrote the paper: GH SA PH GTE MM. Conceived and designed the project: GH SA PH GTE MM. Performed the modeling and simulations: GH MM.