1 Orthodontic Teaching Unit, Dental Clinic, The University of Murcia, Hospital Morales Meseguer, 2ª planta, C/Marqués de los Vélez, s/n, 30008, Murcia, Spain.
2 Integral Pediatric Dentistry Teaching Unit, Dental Clinic, The University of Murcia, Murcia, Spain. ajortiz@um.es.
3 Conservative Dentistry Teaching Unit, Dental Clinic, The University of Murcia, Murcia, Spain.
4 Integral Adult Dentistry Teaching Unit, Dental Clinic, The University of Murcia, Murcia, Spain.
In the original publication of the article, one of the author names was published incorrectly as José L. Calvo. The correct name is José L. Calvo-Guirado.