Four years ago, I was sitting in a hospital waiting room with my then 9 year old daughter. We were waiting to be called back to the lab to have her blood drawn and to find out if her blood counts were high enough for her to be able to go to school that week. She was being treated for brain cancer with weekly chemotherapy treatments, and blood draws were a regular part of her care. The waiting room was more crowded than I had ever seen it. There were many people standing,