1. PhD, Chairman of Pediatric Dentistry. School of Dentistry, University of Seville, Spain.
2. BDS, Postgraduate Student of Pediatric Dentistry. School of Dentistry, University of Seville, Spain.
3. PhD, Professor of Orthodontics. School of Dentistry. Complutense University of Madrid, Spain.
4. BDS, Lecturer Master's Program of Orthodontics School of Dentistry University of Seville Spain.
5. PhD, professor of Orthodontics, School of Dentistry, University of Seville. Spain.