1. Institute of Molecular Plant Sciences, University of Edinburgh, Edinburgh, EH9 3JH United Kingdom
2. Department of Statistics, University of Warwick, Coventry, CV4 7AL United Kingdom
3. Interdisciplinary Program for Cellular Regulation, University of Warwick, Coventry, CV4 7AL United Kingdom
4. Department of Biological Sciences, University of Warwick, Coventry, CV4 7AL United Kingdom
5. Department of Physics, University of Warwick, Coventry, CV4 7AL United Kingdom
6. Warwick HRI, Wellesbourne, CV35 93F United Kingdom
7. Center for Biomathematical Technology, University of Virginia, Charlottesville, Virginia 22903