1. Specialty in Periodontology, Department of Integral Dental Clinics, University Center of Health Sciences, University of Guadalajara, Guadalajara, Mexico.
2. Institute of Research in Dentistry, Department of Integral Dental Clinics, University Center of Health Sciences, University of Guadalajara, Guadalajara, Mexico.
3. Research Center in Molecular Biology of Chronic Diseases, Southern University Center, University of Guadalajara, Guzman City, Mexico.