1. Division of Hematology/Oncology, Department of Internal MedicineNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung University Tainan Taiwan
2. Institute of Population Health Sciences, National Health Research Institutes Miaoli Taiwan
3. Graduate Institute of BiostatisticsCollege of Public Health, China Medical University Taichung Taiwan
4. Division of Hematology and Oncology, Department of Internal MedicineChina Medical University Hospital Taichung Taiwan
5. Department of PathologyNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung University Tainan Taiwan
6. Department of Hematology and OncologyChang Gung Memorial Hospital at Chiayi Chiayi Taiwan
7. Division of Hematology and Oncology, Department of Internal MedicineChi‐Mei Medical Center Tainan Taiwan
8. Department of Oral and Maxillofacial SurgeryChanghua Christian Hospital Changhua Taiwan
9. Department of OtolaryngologyNational Cheng Kung University Hospital, College of Medicine, National Cheng Kung University Tainan Taiwan
10. National Institute of Cancer Research, National Health Research Institutes Tainan Taiwan