1. Department of Anatomy, Histochemistry and Cell Biology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
2. Department of Ophthalmology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
3. Department of Surgery, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
4. Department of Orthopaedic Surgery, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
5. Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan