Yang, Baiyu
Hagberg, Katrina Wilcox
Chen, Jie
Sahasrabuddhe, Vikrant V
Graubard, Barry I
Jick, Susan
McGlynn, Katherine A
Article History
Received: 5 February 2016
Revised: 31 March 2016
Accepted: 9 April 2016
First Online: 24 May 2016
Competing interests
: The authors declare no conflict of interest.