Authors
Xiao-Jing Guo
Cardiovascular Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
Li-Li Wei
Nursing Department, Affiliated Hospital of Qingdao University, Qingdao, China
Xin-Hui Li
Cardiovascular Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
Ning- Ning Yu
Cardiovascular Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
Shao-Bo Gao
Obstetrics Department, Affiliated Hospital of Qingdao University, Qingdao, China
Dong-Yan Qin
Gynecology Department, Affiliated Hospital of Qingdao University, Qingdao, China
Fu-Mei Chu
Cardiovascular Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
Kun Li
Cardiovascular Surgery, Affiliated Hospital of Qingdao University, Qingdao, China