[1] RIKEN Res Ctr Allergy & Immunol, Res Unit Human Dis Model, Yokohama, Kanagawa 2300045, Japan
[2] RIKEN Res Ctr Dev Biol, Lab Mammalian Mol Embryol, Kobe, Hyogo 6500047, Japan
[3] Natl Inst Agrobiol Sci, Transgen Anim Res Ctr, Tsukuba, Ibaraki 3050901, Japan
[4] Natl Inst Agrobiol Sci, Anim Genome Res Unit, Tsukuba, Ibaraki 3050901, Japan
[5] Prime Tech Ltd, Tsuchiura, Ibaraki 3000841, Japan
[6] Natl Inst Anim Hlth, Ctr Anim Dis Control & Prevent, Tsukuba, Ibaraki 3050856, Japan
[7] Jichi Med Univ, Ctr Mol Med, Div Cell & Mol Med, Shimotsuke, Tochigi 3290498, Japan
[8] Univ Bath, Dept Biol & Biochem, Lab Mammalian Mol Embryol, Bath BA2 7AY, Avon, England