Development of a Clinical Chemical Exchange Saturation Transfer MR fingerprinting (CEST-MRF) Pulse Sequence and Reconstruction for Brain Tumor Quantification Ouri Cohen* 1 , Robert J. Young 2 , Or Perlman 3 , Christian T. Farrar 3 , Ricardo Otazo 1,2 1 Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA 2 Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA 3 Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA *Correspondence to: Ouri Cohen, Memorial Sloan Kettering Cancer Center, 320 East 61 st St, New York, NY, 10025, USA. Research Article Submitted to Magnetic Resonance in Medicine