[1] Univ Groningen Hosp, Dept Pediat, Ctr Liver Digest & Metab Dis, Groningen Univ Inst Drug Explorat, NL-9713 GZ Groningen, Netherlands
[2] Univ Groningen Hosp, Dept Med Biol, Ctr Liver Digest & Metab Dis, Groningen Univ Inst Drug Explorat, NL-9713 GZ Groningen, Netherlands
[3] Hamamatsu Univ Sch Med, Dept Biochem, Hamamatsu, Shizuoka 43131, Japan