Institution: | 1. Clinic of Gynecological Endocrinology and Reproductive Medicine, University of Basel, Basel, Switzerland;2. Department of Biomedicine, University of Basel, Basel, Switzerland;3. Department of Gynecology and Obstetrics, Second Hospital of Jilin University, Changchun City, Jilin Province, P.R. China;4. Department of Surgery, University of Zürich, Zürich, Switzerland |