Section I describes DSM-5 chapter organization, its change from the multiaxial system, and Section III's dimensional assessments.[4] The DSM-5 deleted the chapter that includes "disorders usually first diagnosed in infancy, childhood, or adolescence" opting to list them in other chapters.[4] A note under Anxiety Disorders says that the "sequential order" of at least some DSM-5 chapters has significance that reflects the relationships between diagnoses.[4]