1. Pure Mathematics, University of Waterloo, Waterloo, ON, Canada. csima@uwaterloo.ca
2. Pure Mathematics, University or Waterloo, Waterloo, ON, Canada. m2deveau@uwaerloo.ca
3. Department first, Victoria University of Wellington, Wellington, New Zealand. matthew.harrisontrainor@vuw.ac.nz
4. Pure Mathematics, University of Waterloo, Waterloo, ON, Canada. mhamdy@uwaterloo.ca