1. School of Stomatology, Lanzhou University, Lanzhou, Gansu, People’s Republic of China
2. Department of Radiation Biology and Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, People’s Republic of China
3. School of Stomatology, Northwest University for Nationalities, Lanzhou, Gansu, People’s Republic of China
4. School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou, Gansu, People’s Republic of China
5. Corresponding authors with equal contribution