For each question, please use the following scale to answer (place an x in the space provided): 

"To what extent does the article meet this criterion?"

0	Fails by a large amount
1	Fails by a small amount
2	Succeeds by a small amount
3	Succeeds by a large amount
4	Not applicable

The subject addressed in this article is worthy of investigation.
	
0 __1 __2 __3 __4


The information presented was new.

0 __1 __2 __3 __4


The conclusions were supported by the data.

0 __1 __2 __3 __4


Is there a financial or other conflict of interest between your work and that of the authors?

YES __  NO __


Please give a frank account of the strengths and weaknesses of the article: