1. Center for Molecular Biology of Oral Diseases, College of Dentistry, University of Illinois at Chicago, 801 South Paulina Street, Chicago, IL 60612, U.S.A.
2. Department of Oral and Maxillofacial Surgery, Guanghua School and Research Institute of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
3. Department of Oral and Maxillofacial Surgery, College of Dentistry, University of Illinois at Chicago, 801 South Paulina Street, Chicago, IL 60612, U.S.A.
4. Graduate College, University of Illinois at Chicago Cancer Center, University of Illinois at Chicago, 1801 West Taylor, Chicago, IL 60612, U.S.A.
5. Department of Bioengineering, College of Engineering, University of Illinois at Chicago, 601 South Morgan Street, Chicago, IL 60607, U.S.A.
6. Department of Periodontics, College of Dentistry, University of Illinois at Chicago, 801 South Paulina Street, Chicago, IL 60612, U.S.A.