1. Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai 200011, China.
2. Shanghai Public Health Clinical Center, Shanghai Medical College, Fudan University, Shanghai 201508, China.
3. Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea.
4. Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea.