Appendix Table 1. Task Force members.

Name	Affiliation	Specialty
Toshimi Michigami (Chairperson)	Department of Bone and Mineral Research,Osaka Women’s and Children’s Hospital	• Board certified pediatrician
Yasuhisa Ohata	Department of Pediatrics, Osaka University Graduate School of Medicine	• Board certified pediatrician
Makoto Fujiwara	Department of Pediatrics, Osaka University Graduate School of Medicine	• Board certified pediatrician • Japanese board of medical genetics and genomics
Hiroshi Mochizuki	Division of Endocrinology and Metabolism,Saitama Children’s Medical Center	• Board certified pediatrician • Board certified endocrinologist (pediatrics) • Board certified nephrologist • Fellow of the Japanese Society for Dialysis Therapy