1. Department of Gynecology and Obstetrics the First Affiliated Hospital of Wenzhou Medical University Wenzhou China
2. Department of pulmonary and critical care medicine Yongjia Hospital of traditional Chinese Medicine Wenzhou China
3. Department of pulmonary and critical care medicine the First Affiliated Hospital of Wenzhou Medical University Wenzhou China
4. Student Department Renji College of Wenzhou Medical University Wenzhou China