[1] Cheng Hsin Gen Hosp, Dept Med, Taipei, Taiwan
[2] Oriental Inst Technol, Dept Nursing, New Taipei City, Taiwan
[3] Natl Yang Ming Univ, Inst Clin Med, Sch Med, Taipei 112, Taiwan
[4] Cathay Gen Hosp, Dept Obstet & Gynecol, Taipei, Taiwan
[5] Fu Jen Catholic Univ, Dept Obstet & Gynecol, New Taipei City, Taiwan
[6] Yee Zen Hosp, Dept Obstet & Gynecol, Tao Yuan, Taiwan
[7] Hsin Sheng Coll Med Care & Management, Tao Yuan, Taiwan
[8] Kaohsiung Vet Gen Hosp, Dept Obstet & Gynecol, Kaohsiung, Taiwan
[9] Natl Sun Yat Sen Univ, Dept Biol Sci, Kaohsiung 80424, Taiwan
[10] Taipei Vet Gen Hosp, Dept Res & Educ, Biophys Lab, Taipei, Taiwan
[11] Taipei Vet Gen Hosp, Ctr Immunol, Taipei, Taiwan
[12] Natl Yang Ming Univ, Infect & Immun Ctr, Taipei 112, Taiwan
[13] Natl Yang Ming Univ, Dept Obstet & Gynecol, Taipei 112, Taiwan
[14] Taipei Vet Gen Hosp, Dept Obstet & Gynecol, Taipei, Taiwan