1. Discovery Services, WuXi AppTec Co., Ltd., Waigaoqiao Free Trade Zone, Shanghai, 200131 China
2. Genome Center, WuXi AppTec Co., Ltd., Waigaoqiao Free Trade Zone, Shanghai, 200131 China
3. Eastern Hepatobiliary Surgery Hospital/Institute of Shanghai, Shanghai, 200131 China
4. Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA