[1] Xi An Jiao Tong Univ, Affiliated Hosp 2, Dept Gynecol & Obstet, 157 Xi Wu Rd, Xian 710004, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Affiliated Hosp 2, Dept Infect Dis, 157 Xi Wu Rd, Xian 710004, Shaanxi, Peoples R China
[3] Xi An Jiao Tong Univ, Affiliated Hosp 2, Xian, Peoples R China
[4] Xi An Jiao Tong Univ, Sch Math & Stat, Xian, Peoples R China
[5] Xi An Jiao Tong Univ, Affiliated Hosp 2, Dept Gastroenterol, Xian, Peoples R China
[6] Northwest Womens & Childrens Hosp, Xian, Peoples R China
[7] Xi An Jiao Tong Univ, Affiliated Hosp 2, Natl & Local Joint Engn Res Ctr Biodiag & Biothera, Xian, Shaanxi, Peoples R China
[8] Shaanxi Prov Clin Med Res Ctr Infect Dis, Xian, Peoples R China
[9] Xi An Jiao Tong Univ, Key Lab Surg Crit Care & Life Support, Minist Educ, Xian, Peoples R China
[10] Xi An Jiao Tong Univ, Key Lab Environm & Genes Related Dis, Minist Educ China, Xian, Peoples R China