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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Surg Res. 2014 May 27;191(1):33–41. doi: 10.1016/j.jss.2014.05.051
Author Name Conception and
design		 Analysis and
interpretation		 Data Collection Writing the article Critical revision of
the article		 Final approval of
the article		 Statistical
analysis		 Obtaining funding Overall
Responsibility
Enrico A. Duru x x x x x x X
Yuyang Fu x x x x x x x
Mark G. Davies x x x x x x x x X