15302
AREAS COVERED : A literature review was conducted using PRISMA guidelines and PubMed , Cochrane , MEDLINE / OVID , EMBASE , NHS Evidence and Google scholar databases .
 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