Inclusion Criteria:  Any patient with an underlying hematologic disease planning to undergo an autologous or allogeneic hematopoietic stem cell transplant (HSCT) or chimeric antigen receptor T-cell (CAR-T) therapy at Dartmouth-Hitchcock Medical Center is eligible. The patient must be approved for HSCT/CAR-T by the treating transplant physician.  This includes completion of their pre-treatment work up and consent as directed by the standard DHMC SOPs.  - Age >18 years, and no upper age limit  Exclusion Criteria:  Any patient with medical, social, or psychological factors that would prevent the patient from cooperating with the trial and completing surveys at requested intervals.