1. Pierre-Jérôme Bergeron is a Postdoctoral Fellow, Department of Statistics and Actuarial Sciences, University of Waterloo, Waterloo, Ontario, Canada N2L-3G1. Masoud Asgharian . and David B. Wolfson are Faculty Members, Department of Mathematics and Statistics, McGill University, Montreal, Quebec, Canada. This work was supported in part by grants from FQRNT and NSERC. The authors thank the associate editor for helpful comments. The data reported in this article were collected as part of the Canadian Study...