1. Department of Internal Medicine, Carolinas Medical Center at Atrium Health, Charlotte, North Carolina, USA;
2. Department of Gastroenterology and Hepatology, Carolinas Medical Center at Atrium Health, Charlotte, North Carolina, USA;
3. Department of Pathology, Carolinas Medical Center at Atrium Health, Charlotte, North Carolina, USA;
4. Wake Forest School of Medicine-Carolinas Campus, Charlotte, North Carolina, USA.