1. Department of Plastic Surgery, Chang Gung Memorial Hospital, Chang Gung University and Medical College, 199 Tun Hwa North Road, Taipei 105, Taiwan
2. Department of Biological Science and Technology, National Pingtung University of Science and Technology 1 Hseuh-Fu Road, Neipu 91201, Pingtung, Taiwan
3. Department of Hepatogastroenterology, Chang Gung Memorial Hospital, Chang Gung University and Medical College, 199 Tun Hwa North Road, Taipei 105, Taiwan
4. Department of Pathology, Chang Gung Memorial Hospital, Chang Gung University and Medical College, 199 Tun Hwa North Road, Taipei 105, Taiwan
5. Department of Plastic Surgery, Chang Gung Memorial Hospital, Chia-Yi, Taiwan