1. Department of PediatricsOsaka Medical College Osaka Japan
2. Osaka Prefectural School Urine Examination Board Osaka Japan
3. Department of Kidney Disease and HypertensionOsaka General Medical Center Osaka Japan
4. Osaka Prefectural Board of Education Osaka Japan
5. Iga Clinic Osaka Japan
6. Department of Internal MedicineMeisei‐Daini Hospital Osaka Japan
7. Master Course of Management in Health Care Sciences, Graduate School of Health Care SciencesJikei Institute Osaka Japan