1. Department of Mathematics & Computer Science, Mount Allison University, Sackville, NB, Canada E4L 1E4
2. Department of Mathematics & Statistics, University of Guelph, Guelph, ON, Canada N1G 2W1
3. Institute for Quantum Computing, Department of Applied Mathematics, University of Waterloo, Waterloo, ON, Canada N2L 3G1
4. Department of Mathematics and Statistics, University of Ottawa, Ottawa, ON, Canada K1N 6N5
5. School of Mathematics and Statistics, Carleton University, Ottawa, ON, Canada K1S 5B6