1. Department of Oral Medicine; Carolinas Medical Center; Charlotte NC USA
2. D.eb.RA. Mexico Foundation; Monterrey Nuevo Leon Mexico
3. Department of Orofacial Sciences; School of Dentistry University of California; San Francisco CA USA
4. Department of Neurosciences; University of Padua; Padua Italy
5. Department of Economics and Statistics; Federico II University of Naples; Naples Italy
6. Department of Dermatology; Stanford University School of Medicine; Center for Clinical Sciences Research; Stanford CA USA
7. Division of Dermatology; Veterans Affairs Palo Alto Healthcare System; Palo Alto CA USA
8. Departments of Dermatology and Pediatrics; University of Colorado; School of Medicine; Aurora CO USA
9. Dermatology Service; Instituto Tecnológico y de Estudios Superiores de Monterrey; Monterrey Nuevo Leon México
10. Department of Basic Science; Universidad de Monterrey; San Pedro Garza García; Universidad Autonoma de Nuevo Leon; Monterrey Nuevo Leon México