What company are you calling from? good application essay The data survey was sent to 179 pediatric centers, most of which are members of the Children’s Hospital Association (CHA). They are freestanding children’s hospitals — a few focus on cancer or another specialty but most offer many specialties — or large, multispecialty pediatric departments of major health centers, run with their own staffs, operating rooms, labs and other facilities as if they were a separate hospital within a hospital. A small number of other children’s facilities do not fit these categories but were surveyed because they were previously ranked or were recommended by trusted sources.