Predicting anti-PD-1 responders in malignant melanoma from the frequency of S100A9+ monocytes in the blood ========================================================================================================== * Soudabeh Rad Pour * Yago Pico de CoaƱa * Xavier Martinez Demorentin * Jeroen Melief * Manjula Thimma * Maria Wolodarski * David Gomez-Cabrero * Johan Hansson * Rolf Kiessling * Jesper Tegner