Window therapeutic of extraoral photobiomodulation for prevention of oral mucositis in HSCT patients: additional arm - Santos, Letícia Beatriz da Cruz; Ramos-Pinto, Mariana Bitu; Zerbato, Rodolfo Maestrello; Ferreira, Maria Emilia Mota Galdino; Schmidt-Filho , Jayr; Martins, Manoela Domingues; Alves, Fábio Abreu (Supportive Care in Cancer, 2023)