1. Department of Anatomy and Cell Biology Indiana University School of Medicine Indianapolis IN USA
2. Department of Medicine, Kidney Center Tokyo Women's Medical University Shinjuku‐ku, Tokyo Japan
3. Department of Blood Purification, Kidney Center Tokyo Women's Medical University, Shinjuku‐ku Tokyo Japan
4. Department of Biomedical Engineering Indiana University, Purdue University Indianapolis IN USA
5. Department of Metabolism, Endocrinology and Molecular Medicine Osaka City University Graduate School of Medicine Osaka Japan
6. Department of Transplant Surgery Nagoya Second Red Cross Hospital Nagoya, Aichi Japan
7. Center for Kidney Disease and Transplantation Akita University Hospital Akita Japan
8. Department of Orthopedic Surgery Towa Hospital Adachi‐ku, Tokyo Japan
9. Department of Orthopedic Surgery Tanizawa Clinic Niigata Japan
10. Department of Medicine, Division of Nephrology Ogawa Clinic Shinagawa‐ku, Tokyo Japan
11. Ito Bone Histomorphometry Institute Niigata Japan