[1] Taipei Vet Gen Hosp, Stem Cell Lab, Dept Med Res & Educ, Taipei, Taiwan
[2] Case Western Reserve Univ, Dept Biol, Cleveland, OH 44106 USA
[3] Taipei Vet Gen Hosp, Taipei, Taiwan
[4] Taipei Vet Gen Hosp, Dept Med Res, Taipei, Taiwan
[5] Natl Yang Ming Univ, Inst Clin Med, Taipei 112, Taiwan
[6] Natl Yang Ming Univ, Inst Pharmacol, Fac Med, Taipei 112, Taiwan
[7] Acad Sinica, Inst Biomed Sci, Taipei 115, Taiwan