1. Department of Plastic, Reconstructive, and Aesthetic Surgery, Graduate School of Medicine, Chiba University, Chiba, Chiba, Japan.
2. Department of Pathology, Graduate School of Medicine, Chiba University, Chiba, Chiba, Japan.
3. Department of Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Chiba, Japan.
4. Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan.