1. Department of Physiology; Basic Medical Scientific Research College, CMU; Shenyang PR China
2. Central Laboratory of the Fourth Affiliated Hospital; China Medical University (CMU); Shenyang PR China
3. Department of Neurology; the Fourth Affiliated Hospital, CMU; Shenyang PR China
4. Department of Anorectum; the Fourth Affiliated Hospital, CMU; Shenyang PR China
5. IVF Center; Affiliated Shengjing Hospital, CMU; Shenyang PR China
6. Department of Biochemistry and Molecular Biology; CMU; Shenyang PR China