1. College of Health Sciences, Abu Dhabi University, Abu Dhabi 59911, United Arab Emirates
2. Neuroscience Research Center (NRC), Lebanese University, Beirut 1533, Lebanon
3. INSPECT-LB (Institut National de Santé Publique, d’Épidémiologie Clinique et de Toxicologie-Liban), Beirut 1103, Lebanon
4. Department of Periodontics, University of the Pacific, San Francisco, CA 94103, USA
5. Department of Laboratory Medicine, Veterans Affairs Medical Center, San Francisco, CA 94121, USA
6. Arthur Dugoni School of Dentistry, University of the Pacific, San Francisco, CA 94103, USA