Departments of *Internal Medicine,

†Dermatology, University of Nebraska Medical Center, Omaha, NE;

‡Division of Gastroenterology and Hepatology, University of Nebraska Medical Center, Omaha, NE.

Correspondence: Alexandra R. Fiedler, MD, 982055 Nebraska Medical Center, Omaha, NE 68198-2055 (e-mail: [email protected]).

The authors declare no conflicts of interest.