1. Department of Biological Sciences, Auburn University, Auburn, AL, USA
2. Université de Strasbourg, Centre National de la Recherche Scientifique, Institut Pluridisciplinaire Hubert Curien, Unité Mixte de Recherche, Strasbourg, France
3. University of Strasbourg Institute of Advanced Sciences (USIAS), Strasbourg, France
4. Department of Mathematics and Statistics, Auburn University, Auburn, AL, USA
5. Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada