(S (S (BASENP (DT The) (NN disorder)) (VP (VBZ has) (VP (VBN been) (VP (VBN identified) (PP (IN in) (NP (NP (BASENP (DT a) (ADJP (RB geographically) (JJ diverse)) (NN group)) (PP (IN of) (BASENP (NNS states)))) (PP (VBG including) (NP (NP (NP (NP (BASENP (NNP Georgia)) (COMMA ,) (BASENP (NNP Oklahoma))) (COMMA ,) (BASENP (NNP Pennsylvania))) (COMMA ,) (BASENP (NNP Wisconsin))) (CC and) (BASENP (NNP California)))))))))) (PERIOD .))