1. China‐American Cancer Research Institute Dongguan Scientific Research Center Guangdong Medical University Dongguan China
2. Key Laboratory for Epigenetics of Dongguan City Dongguan China
3. Key Laboratory for Medical Molecular Diagnostics of Guangdong Province Dongguan China
4. Department of Health Management Center The Affiliated Hospital of Guangdong Medical University Zhanjiang Guangdong China
5. Cancer Research Institute Southern Medical University Guangzhou China
6. Department of Laboratory Medicine The Third Affiliated Hospital of Southern Medical University Guangzhou China