1. Mathematics and StatisticsUniversity of VictoriaPO Box 1700 STN CSCVictoria BCCanada, V8W 2Y2
2. Department of StatisticsAthens University of Business and Economics10434 AthensGreece
3. National Centre for Statistical Ecology, School of Mathematics, Statistics and Actuarial ScienceUniversity of KentCanterburyKent CT2 7FSEngland
4. Department of Statistics and Actuarial ScienceSimon Fraser University8888 University DriveBurnabyBC, V5A 1S6Canada