Bone marrow transplant and hospital

My husband Larry Sonnie has been battling  Hodgkins Lymphoma Cancer for 5th time. His chemotherapy options are coming to an end with what they can do. His next step is going to be a bone marrow transplant which requires a 2 month hospital stay in John's Hopkins Hospital in Baltimore, Maryland. One of our grandsons/daughters will be donating the marrow which means they too will have to stay down there for a short while.  We are looking for donations for food, living expenses and transportation as our money supply is running extremely low with everything going on and I don't know how that is going to be possible without help. We would appreciate anything that anyone could help with. Thank you for taking the time to read our call for help.