1 Gil Dental Group, San Jose, Costa Rica, and Division of Periodontology, College of Dentistry, The Ohio State University Wexner Medical Center, Columbus, Ohio.
2 Division of Periodontology, College of Dentistry, The Ohio State University Wexner Medical Center.
3 Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Internal Medicine, The Ohio State University Wexner Medical Center, and Department of Microbiology, Immunology & Cell Biology, West Virginia University School of Medicine, Morgantown, West Virginia.