Affiliation: | 1. Mathematics and Statistics, University of Victoria, Victoria BC, Canada, V8W 2Y2;2. Department of Statistics, Athens University of Business and Economics, 10434 Athens, Greece;3. National Centre for Statistical Ecology, School of Mathematics, Statistics and Actuarial Science, University of Kent, Canterbury, Kent CT2 7FS, England;4. Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada |