1 Vanderbilt Voice Center, Vanderbilt University Medical Center, Nashville, Tennessee, USA
2 Division of Gastroenterology, Hepatology and Nutrition, Vanderbilt University Medical Center, Nashville, Tennessee, USA
3 Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
4 Vanderbilt University School of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
5 Meharry Medical College, Vanderbilt University Medical Center, Nashville, Tennessee, USA
6 Allergy, Sinus and Asthma Program, Vanderbilt University Medical Center, Nashville, Tennessee, USA
Correspondence: Michael F. Vaezi, MD, PhD, MSc (Epi), Division of Gastroenterology, Hepatology and Nutrition, Vanderbilt University Medical Center; 1660 TVC, 1301—22nd Avenue South, Nashville, Tennessee 37232-5280, USA. E-mail: [email protected]
Received 19 June 2012; accepted 26 November 2012
published online 2 April 2013