1. Division of Pediatric Dentistry Department of Oral Health Science Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
2. Division of Anatomy and Cell Biology of the Hard Tissue Department of Tissue Regeneration and Reconstruction Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
3. School of Stomatology Faculty of Health Science Universidad Científica del Sur Lima Peru
4. Division of Clinical Chemistry Department of Medical Technology Niigata University Graduate School of Health Sciences Niigata Japan
5. Department of Pathology The Nippon Dental University School of Life Dentistry at Niigata Niigata Japan