1. Department of Biomedical Sciences, Texas A&M University Baylor College of Dentistry, Dallas, Texas.
2. State Key Laboratory of Military Stomatology, Department of Operative Dentistry and Endodontics, School of Stomatology, Fourth Military Medical University, Xi'an, China.
3. State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
4. Department of Veterinary Integrative Biosciences (VIBS), Texas A&M University College of Veterinary Medicine, College Station, Texas.
5. Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot, Israel.