1. Department of Nursing; Chang Gung University of Science and Technology; Taoyuan Taiwan
2. Head and Neck Oncology Group; Chang Gung Medical Foundation, Chang Gung Memorial Hospital at LinKou; Taoyuan Taiwan
3. School of Nursing, College of Medicine; National Taiwan University; Taipei Taiwan
4. Department of Otorhinolaryngology, Head and Neck Surgery; Chang Gung Medical Foundation, Chang Gung Memorial Hospital at LinKou; Taoyuan Taiwan
5. College of Medicine; Chang Gung University; Taoyuan Taiwan
6. Department of Radiation Oncology; Chang Gung Medical Foundation, Chang Gung Memorial Hospital at LinKou; Taoyuan Taiwan