1. Department of Mathematics and Statistics, University of Calgary, Calgary, Canada
2. Department of Mathematical Sciences, University of Adelaide, Adelaide, Australia
3. Haskayne School of Business, University of Calgary, Calgary, Alberta, Canada
4. Department of Statistics and Actuarial Science, University of Western Ontario, London, Ontario, Canada
5. Department of Mathematics and Statistics, University of Helsinki, Helsinki, Finland
6. Department of Applied Finance and Actuarial Studies, Faculty of Business and Economics, Macquarie University, Sydney, Australia