1. Department of Endodontics, School of Dentistry Pontifical Catholic University of Paraná Curitiba Brazil
2. Department of Endodontics, School of Dentistry UTHealth School of Dentistry at Houston Houston Texas USA
3. Center for Craniofacial Research UTHealth School of Dentistry at Houston Houston Texas USA
4. Department of Diagnostic and Biomedical Sciences UTHealth School of Dentistry at Houston Houston Texas USA