1. Department of Plastic and Reconstructive Surgery; Kansai Medical University; Hirakata City, Osaka Japan
2. Department of Biomedical Engineering; National Cerebral and Cardiovascular Center Research Institute; Suita City, Osaka Japan
3. Department of Plastic and Reconstructive Surgery; Graduate School of Medicine, Kyoto University; Kyoto City, Kyoto Japan
4. Department of Biomedical Engineering; Osaka Institute of Technology; Osaka City, Osaka Japan