1. Department of Plastic and Reconstructive Surgery; Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Tao-Yuan Taiwan
2. Department of Surgery; Faculty of Medicine; University of Khartoum; Sudan
3. Department of Pathology; Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Tao-Yuan Taiwan
4. Department of Plastic and Reconstructive Surgery; Chang Gung Memorial Hospital; Keelung and Chang Gung University College of Medicine; Tao-Yuan Taiwan
5. Department of Radiation Oncology; Chang Gung Memorial Hospital; Chang Gung University College of Medicine; Tao-Yuan Taiwan
6. Department of Surgery; Royal Alexandra Hospital; Glasgow United Kingdom
7. Department of Otolaryngology-Head and Neck Surgery; Chang Gung Memorial Hospital and Chang Gung University College of Medicine; Tao-Yuan Taiwan