1. Postgraduate Studies and Research Division, Periodontics and Implantology Department, School of Dentistry, National Autonomous University of Mexico, UNAM, Mexico City, Mexico
2. Department of Oral Biology, School of Dentistry, National Autonomous University of Mexico, UNAM, Mexico City, Mexico
3. Orthodontic Department, School of Dentistry, National Autonomous University of Mexico, UNAM, Mexico City, Mexico
4. Basic Biomedical Research, School of Stomatology, Campus Tehuacán, Benemerita Autonomous University of Puebla, Puebla City, Mexico