Alert for the high prevalence of vitamin D deficiency in adolescents in a large Brazilian sample Vanessa Radonsky; Marise Lazaretti-Castro; Maria Izabel Chiamolera; Rosa Paula Mello Biscolla; José Viana Lima Junior; José Gilberto Henriques Vieira; Cynthia Maria Alvares Brandão; Rodrigo Fernandes Ramalho; Sergio Setsuo Maeda; Marcia Wehba Esteves Cavichio;