What is the fine-grained topic of the following text: Located in DeKalb, Illinois, the United Leukodystrophy Foundation (ULF), is a nonprofit, voluntary health organization dedicated to providing patients and their families with information about their disease and assistance in identifying sources of medical care, social services, and genetic counseling; establishing a communication network among families; increasing public awareness and acting as an information source for health care providers; and promoting and supporting research into causes, treatments, and prevention of the leukodystrophies. Only return the topic.
The United Leukodystrophy Foundation's services and mission