- Correspondence to Dr Rhonda F Souza, Department of Gastroenterology, MC# 111B1, Dallas VA Medical Center, 4500 South Lancaster Road, Dallas, TX 75216, USA;
- Received 6 July 2016
- Revised 24 August 2016
- Accepted 8 September 2016
- Published in print 1 September 2017.
- Published online 9 August 2017.
- Published first 30 September 2016.
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