30167
Meta - analysis showed no significant difference in z - BMI from baseline to end of treatment between the conditions ( three trials ) or to end of follow up ( two trials ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None