[1] Seoul Natl Univ, Dept Pediat, Childrens Hosp, Seoul 110744, South Korea
[2] Severance Childrens Hosp, Dept Pediat, Seoul, South Korea
[3] Severance Childrens Hosp, Dept Pathol, Seoul, South Korea
[4] Seoul Natl Univ Hosp, Dept Pathol, Seoul 110744, South Korea
[5] Seoul Natl Univ Hosp, Res Coordinat Ctr Rare Dis, Seoul 110744, South Korea
[6] Seoul Natl Univ, Med Res Ctr, Kidney Res Inst, Coll Med, Seoul 110744, South Korea