1. Laboratory of Oral Infectious Diseases, Temple University Kornberg School of Dentistry, Philadelphia, PA, USA
2. Department of Endodontics, Temple University Kornberg School of Dentistry, Philadelphia, PA, USA
3. Department of Oral Biology, Rutgers School of Dental Medicine, Rutgers University, Newark, NJ, USA
4. Department of Periodontology, UERJ/Unigranrio, Rio de Janeiro, Brazil
5. Department of Genomic Medicine, J Craig Venter Institute, Rockville, MD, USA