Affiliation: | 1. Department of Otolaryngology and Head and Neck Surgery, Federal University of S?o Paulo, S?o Paulo, Brazil;2. Los Angeles Sinus and Allergy Institute, Los Angeles, California;3. Department of Chemistry, Laboratory of Photobiology and Photomedicine, Faculty of Philosophy, Science and Letters of the University of S?o Paulo, Ribeir?o Preto, S?o Paulo, Brazil;4. Department of Head and Neck Surgery, David Geffen School of Medicine, University of California, Los Angeles, California |