1 Department of Bioinformatics & Systems Biology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China. xueyu@hust.edu.cn.
2 Department of Bioinformatics & Systems Biology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
3 Center for Epigenetics, Van Andel Research Institute, Grand Rapids, MI, 49503, USA.