1. Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
2. Department of Reproductive Health, The Affiliated Maternal and Child Healthcare Hospital of Nanchang University, Jiangxi 330006, China
3. Department of Reproductive Health, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang, Jiangxi 330006, China
4. College of Science, Chang’an University, Xi’an 710064, China