Key points are not available for this paper at this time.
1Division of Gastroenterology, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA 2Veterans Affairs Tennessee Valley Healthcare System, Nashville, Tennessee, USA Correspondence: Pelayo Correa, MD, Division of Gastroenterology, Vanderbilt University Medical Center, 2215 Garland Avenue 1030 MRB IV, Nashville, Tennessee 37232, USA. E-mail: email protected
Correa et al. (2010) studied this question.