1. Division of Hemato-oncology, Department of Internal Medicine, Chang Gung Memorial Hospital; Keelung and Chang Gung University, College of Medicine; Taiwan Republic of China
2. Cancer Center; Chang Gung Memorial Hospital, Keelung; Taiwan Republic of China
3. Department of Radiation Oncology, Chang Gung Memorial Hospital; Keelung and Chang Gung University, College of Medicine; Taiwan Republic of China
4. Otolaryngology, Head and Neck Surgery, Chang Gung Memorial Hospital; Keelung and Chang Gung University, College of Medicine; Taiwan Republic of China
5. Division of Medical Oncology, Department of Internal Medicine; Chang Gung Memorial Hospital at Linkou, Taoyuan; Taiwan Republic of China
6. Circulating Tumor Cell Laboratory, Division of Medical Oncology, Department of Internal Medicine; Chang Gung Memorial Hospital at Linkou, Taoyuan; Taiwan Republic of China
7. Department of Chemical and Materials Engineering; Chang Gung University, Taoyuan; Taiwan Republic of China