Corresponding Author

Center for Statistical Science, Department of Industrial Engineering, Tsinghua University, Beijing, China

MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing, China

Correspondence Zuoheng Wang, Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA.

Email: zuoheng.wang@yale.edu

Lin Hou, Center for Statistical Science, Department of Industrial Engineering, Tsinghua University, Beijing 100084, China.

Email: houl@tsinghua.edu.cn