**Author details**

Mahmoud Aryan1 , Ellery Altshuler2 , Xia Qian3 and Wei Zhang3 \*

1 Department of Internal Medicine, University of Alabama at Birmingham, Birmingham, AL, USA

2 Department of Internal Medicine, University of Florida, Gainesville, FL, USA

3 Division of Gastroenterology and Hepatology, University of Florida, Gainesville, FL, USA

\*Address all correspondence to: doczwqx@gmail.com; wei.zhang@medicine.ufl.edu

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
