1. Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
2. Department of Gynecology, First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
3. Department of Pediatric Gastroenterology, First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China