1. Department of Physiology and Cell Biology, Graduate School of Medicine, Kobe University, Kobe, Japan
2. Department of Developmental Biology, Faculty of Medicine, Shimane University, Izumo, Japan
3. Department of Clinical Nursing, Faculty of Medicine, Shimane University, Izumo, Japan
4. Department of Pediatrics, Graduate School of Medicine, Kobe University, Kobe, Japan
5. Department of Bone and Skeletal Research, Institute of Experimental Musculoskeletal Medicine (IEMM), University Hospital Münster, Münster, Germany
6. Department of Kidney Development, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan