1. Department of Plastic and Reconstructive SurgeryChina Medical University Hospital Taichung Taiwan
2. Department of Biological Science and TechnologyChina Medical University Taichung Taiwan
3. Division of Plastic and Reconstructive SurgeryMayo ClinicRochester MN United Sates
4. Division of Plastic and Maxillofacial Surgery, Department of Surgery, Ramathibodi HospitalMahidol UniversityBangkok Thailand