An eight-yeаr-оld bоy is in clinic fоr а sports physicаl examination. For the coming school year, he plans to participate in basketball and in track. He denies having any symptoms of chest pain, palpitations, or difficulty of breathing. His mother describes him as a physically active boy since he plays outside for 30 minutes almost every day. Family history is unknown since he is adopted. Physical examination is normal. According to the United States National Heart, Lung, and Blood Institute (NHLBI) expert panel, at what age range should all children undergo the first screening for dyslipidemia?