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Five patients with idiopathic orthostatic hypotension who had physiologic and biochemical evidence of severe autonomic dysfunction were included in the study .
 Disease: idiopathic orthostatic hypotension
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: idiopathic orthostatic hypotension