Institution: | 1. School of Mathematics and Statistics, Yunnan University, Kunming, Yunnan 650091, China;2. Department of Statistics, University of British Columbia, Vancouver, BC, Canada V6T 1Z2;3. Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, ON, Canada N2L 3G1;4. School of Statistics, East China Normal University, Shanghai 200241, China |