Extraoral photobiomodulation for prevention of oral and oropharyngeal mucositis in head and neck cancer patients: interim analysis of a randomized, double-blind, clinical trial - Kauark-Fontes, Elisa; Migliorati, Cesar Augusto; Epstein, Joel B; Treister, Nathaniel Simon; Alves, Carolina Guimaraes Bonfim; Faria, Karina Morais; Palmier, Natalia Rangel; Rodrigues-Oliveira, Leticia; Paglioni, Mariana de Pauli; Castro Junior, Gilberto de Castro (Supportive care in cancer, 2022)