1. West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China
2. Med-X Center for Informatics, Sichuan University, Chengdu, China
3. School of Public Health, University of Texas Health Science Center at Houston, Houston, USA
4. Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
5. Center for Computational Systems Medicine, School of Biomedical Informatics, University of Texas Health Science Center at Houston, Houston, USA