1. Department of Occupational Health and Medicine Guangdong Provincial Key Laboratory of Tropical Disease Research School of Public Health Southern Medical University Guangzhou China
2. Center for Molecular Biology of Heidelberg University (ZMBH) DKFZ‐ZMBH‐Alliance Heidelberg Germany
3. Department of Hepatobiliary Surgery Nanfang Hospital, Southern Medical University Guangzhou China
4. Department of Biostatistics, School of Public Health Southern Medical University Guangzhou China