| Affiliation: | A1 Department of Statistics and Demography, Odense University, Campusvej 55, DK-5230 Odense M, Denmark A2 Department of Mathematics and Computer Science, Institute for Electronic Systems, Aalborg University, Fredrik Bajers Vej 7, DK-9220 Aalborg Ø, Denmark A3 Department of Mathematics and Statistics, York University, 4700 Keele Street, North York, Ontario, Canada M3J 1P3 song@mathstat.yorku.ca A4 Department of Statistics, University of British Columbia, Vancouver, B.C., Canada B6T 1Z2 lisun@stat.ubc.ca |
