1. Department of Neurology; Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; 123 Ta Pei Road, Niao Sung District Kaohsiung Taiwan
2. Department of Hematology-Oncology; Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Kaohsiung Taiwan
3. Institute of Biotechnology and Department of Medical Science; National Tsing Hua University; Hsinchu Taiwan
4. Department of Radiation Oncology; Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Kaohsiung Taiwan
5. Department of Otorhinolaryngology; Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Kaohsiung Taiwan
6. Department of Biological Science; National Sun Yat-Sen University; Kaohsiung Taiwan
7. Department of Neurosurgery Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Kaohsiung Taiwan
8. Department of Radiology, Kaohsiung Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Kaohsiung Taiwan