Department ofHistologyand Embryology;
Guangzhou Medical University;
Guangzhou 510185;
Guangdong Province;
China;
Department of Stomatology;
First Affiliated Hospital;
Jinan University;
Guangzhou 510630;
Guangdong Province;
China;
Department of Orthopedics Surgery;
Liaocheng People's Hospital;
Liaocheng 252000;
Shandong Province;
China;