1. Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
2. Graduate Institute of Basic Medical Sciences, Chang Gung University, Taoyuan, Taiwan
3. Department of Radiation Oncology, Chang Gung Memorial Hospital at Lin‐Kou, Taoyuan, Taiwan
4. Center for Molecular and Clinical Immunology, Chang Gung University, Taoyuan, Taiwan
5. Health Sciences Research Institute and Molecular Cell Biology, University of California, Merced, CA, USA
6. Department of Pathology, Chang Gung Memorial Hospital at Lin‐Kou, Taoyuan, Taiwan
7. Department of Otolaryngology, Chang Gung Memorial Hospital at Lin‐Kou, Taoyuan, Taiwan