1. Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
2. Department of Gynaecology and Obstetrics, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai 200434, China
3. Shanghai Engineering Research Center of Tooth Restoration and Regeneration, School and Hospital of Stomatology, Tongji University, Shanghai, 200072, China