1. Department of Biotechnology, School of Engineering, Nagoya University, Nagoya, Japan.
2. Department of Ophthalmology, School of Medicine, Nagoya University, Nagoya, Japan.
3. Department of Tissue Engineering, School of Medicine, Nagoya University, Nagoya, Japan.
4. Department of Oral and Maxillofacial Surgery, School of Medicine, Nagoya University, Nagoya, Japan.