1. Division of Plastic and Reconstructive Surgery, Kaohsiung Veterans General Hospital; Kaohsiung Taiwan
2. Division of Plastic and Reconstructive Surgery; National Taiwan University Hospital Yulin Branch; Yulin County Taiwan
3. College of Medicine; National Yang-Ming University; Taipei Taiwan
4. National Defense Medical Center; Taipei Taiwan
5. Department of Otolaryngology Head and Neck; Kaohsiung Veterans General Hospital; Taiwan