1. Hospital of Stomatology Sun Yat‐Sen University Guangzhou Guangdong China
2. Guangdong Provincial Key Laboratory of Stomatology Sun Yat‐Sen University Guangzhou Guangdong China
3. Guanghua School of Stomatology Sun Yat‐Sen University Guangzhou Guangdong China
4. Department of Surgery University of Michigan Medical Center Ann Arbor Michigan USA
5. Department of Physiology and Pathophysiology, School of Basic Science Peking University Health Science Center Beijing China