[1] Nagoya Univ, Grad Sch Med, Dept Pediat Surg, Nagoya, Aichi, Japan
[2] Nagoya Univ, Grad Sch Med, Dept Rare Intractable Canc Anal Res, Nagoya, Aichi, Japan
[3] Nagoya Univ, Grad Sch Med, Dept Rare Refractory Canc Anal Res, Nagoya, Aichi, Japan
[4] Nagoya Univ, Grad Sch Med, Dept Pediat, Nagoya, Aichi, Japan