1. Department of Computational Mathematics, Science and Engineering Michigan State University East Lansing Michigan USA
2. Department of Horticulture Michigan State University East Lansing Michigan USA
3. Department of Mathematics and Computer Science TU Eindhoven Eindhoven The Netherlands
4. Department of Information and Computing Sciences Utrecht University Utrecht The Netherlands
5. Department of Botany and Plant Sciences University of California Riverside California USA
6. Department of Mathematics Michigan State University East Lansing Michigan USA