1 Center for Health Genomics and Informatics, University of Calgary Cumming School of Medicine, Calgary, AB T2N 4N1, Canada. Electronic address: edwin.wang@ucalgary.ca.
2 Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region. Electronic address: chocs@ha.org.hk.
3 Department of Health Technology and Informatics, Faculty of Health and Social Sciences, Hong Kong Polytechnic University, Hong Kong Special Administrative Region. Electronic address: cesar.wong@polyu.edu.hk.
4 CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China. Electronic address: siqiliu@big.ac.cn.