Gupta, A
Mayer, E A
Hamadani, K
Bhatt, R
Fling, C
Alaverdyan, M
Torgerson, C
Ashe-McNalley, C
Van Horn, J D
Naliboff, B
Tillisch, K
Sanmiguel, C P
Labus, J S
Article History
Received: 17 July 2016
Revised: 2 March 2017
Accepted: 6 March 2017
First Online: 31 March 2017
Competing interests
: The authors declare no conflict of interest.