how to cite this article: hakim shoushtari m, ghalebandi mf, tavasoli a, pourshams m. kleine-levin syndrome in an 8 year old girl with autistic disorder does autism account a primary or secondary cause? iran j child neurol. autumn 2015;9(4):61-64. abstract objective kleine–levin syndrome (kls) is a rare disorder with an unknown etiology. autism spectrum disorder is characterized by various degr...