202132
This conclusion was based on a meta-analysis of the results of eight trials involving a total of 3,417 individuals ; the authors , however , note that further efficacy studies are needed , and mention the presence of flaws in one included study regarding the definition of success of interventions .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None