1. Faculty of Dentistry, Dentistry School, Universidad San Martín de Porres, Chiclayo 14012, Peru
2. Faculty of Human Medicine, Human Medicine School, Universidad San Martín de Porres, Chiclayo 14012, Peru
3. Faculty of Stomatology, Stomatology School, Universidad Nacional de Trujillo, Trujillo 13001, Peru
4. Faculty of Health Sciences, Stomatology School, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, Peru
5. Postgraduate School, Universidad Católica de Santa María, Arequipa 04013, Peru
6. Faculty of Dentistry, Dentistry School, Universidad Católica de Santa María, Arequipa 04013, Peru
7. Faculty of Medicine, Medicine School, Universidad Católica de Santa María, Arequipa 04013, Peru
8. Faculty of Health Sciences, Universidad Continental, Lima 15046, Peru
9. Department of Dentistry, Dentistry School, Norbert Wiener University, Lima 15046, Peru
10. Faculty of Dentistry, Universidad Andina Néstor Cáceres Velásquez, Juliaca 21104, Peru
11. Faculty of Health Sciences, Stomatology School, Universida Señor de Sipán, Chiclayo 14000, Peru