Study concept and design	Acquisition of data	Analysis and interpretation of data	Drafting of the manuscript	Critical revision of the manuscript for important intellectual content	Statistical analysis	Obtained funding
Osterman MT	X		X	X	X
Haynes K	X		X		X
Delzell E	X		X		X
Zhang J	X		X		X
Bewtra M	X		X		X
Brensinger C	X		X		X	X
Chen L	X		X		X	X
Xie F	X	X	X		X
Curtis JR	X	X	X		X	X	X
Lewis JD	X		X		X		X