28894
Overall , 3654 patients from the Systematic Treatment Enhancement Program for Bipolar Disorder ( STEP - BD ) sample and 282 patients from the Clinical Outcome and Psycho - Education for Bipolar Disorder ( COPE - BD ) sample were included .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None