1727-897X 1727-897X S1727-897X2020000601081 Cuba 00 12 2020 00 12 2020 18 6 1081 1083 1 2019 17 5 5 7 2 2016 44 2016 2016 7 3 2015 24 3 3 25 4 National Comprehensive Cancer Network 2019 5 Head and Neck Disease Management Group 2015 373 3 3 8