https://healthtree.org/t-cell-prolymphocytic-leukemia/community/directory/tx/md-anderson-cancer-center-houston-tx
https://healthtree.org/t-cell-prolymphocytic-leukemia/community/directory/ct/yale-cancer-center-new-haven-ct
https://healthtree.org/t-cell-prolymphocytic-leukemia/community/directory/mn/mayo-clinic-rochester-rochester-mn