How many hospitals does Zhoushan Medical Insurance dock with Shanghai?

They are Ruijin Hospital affiliated to Shanghai Jiaotong University School of Medicine, Renji Hospital affiliated to Shanghai Jiaotong University School of Medicine, Zhongshan Hospital affiliated to Fudan University, Eye, Otolaryngology Hospital affiliated to Fudan University, Shanghai Chest Hospital, Longhua Hospital affiliated to Shanghai University of Traditional Chinese Medicine, Second Affiliated Hospital of Second Military Medical University, Obstetrics and Gynecology Hospital affiliated to Fudan University, Cancer Hospital affiliated to Fudan University, Huashan Hospital affiliated to Fudan University, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, Shanghai Sixth People's Hospital, Shanghai pulmonary hospital, First Affiliated Hospital of Second Military Medical University, Third Affiliated Hospital of Second Military Medical University, Shanghai First People's Hospital, and Ninth People's Hospital affiliated to Shanghai Jiaotong University School of Medicine.