Institution: | 1. Department of Statistics and Actuarial Science, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China;2. Division of Biostatistics, University of Maryland Greenebaum Cancer Center, MSTF Suite 261, 10 South Pine Street, Baltimore, MD 21201, USA;3. School of Mathematics and Statistics, Huazhong Normal University, 152 Luoyu Road, Wuhan City, Hubei 430079, PR China;4. Department of Mathematics, Hong Kong Baptist University, Kowloon Tong, Hong Kong, PR China |