1. Department of Biostatistics, Department of Management Sciences and School of Data Science , City University of Hong Kong , Hong Kong , China
2. Zhongtai Securities Institute for Financial Studies, Shandong University , Jinan 250100 , China
3. Department of Biostatistics , University of Washington , Seattle , WA 98195 , USA
4. Fred Hutchinson Cancer Research Center , Seattle , WA 98109 , USA
5. Faculty of Economics and Management , East China Normal University , Shanghai 200241 , China