1. Department of Periodontology; Shanghai Key Laboratory of Stomatology; 9th People's Hospital; Shanghai Jiao Tong University School of Medicine; Shanghai; China
2. Shanghai Key Laboratory of Stomatology; Shanghai Research Institute of Stomatology; Shanghai; China
3. Department of Endodontics and Operative Dentistry; Shanghai Key Laboratory of Stomatology; 9th People's Hospital; Shanghai Jiao Tong University School of Medicine; Shanghai; China
4. Experimental Research Center and Central Laboratory; First People's Hospital; Shanghai Jiao Tong University; Shanghai; China