1. Mucosal Immunology Lab, College of Dentistry, University of Illinois at Chicago, Chicago, Illinois, USA
2. Molecular Pathology Lab, College of Dentistry, University of Illinois at Chicago, Chicago, Illinois, USA
3. Department of Diagnosis and Surgery, Araçatuba Dental School, Universidade Estadual Paulista/UNESP, Araçatuba, São Paulo, Brazil
4. Department of Oral Medicine, Oral Diagnosis, and Periodontology, Faculty of Dentistry, Cairo University, Cairo, Egypt
5. Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, Illinois, USA
6. Department of Ophthalmology and Visual Sciences, University of Illinois Medical Center, Chicago, Illinois, USA