Zhang, Faming MD, PhD1; Luo, Wensheng MSc2; Shi, Yan CMD1; Fan, Zhining MD1; Ji, Guozhong MD1
1 Institute of Digestive Endoscopy and Medical Center for Digestive Diseases, Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
2 Division of Infectious Diseases, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
Correspondence: Faming Zhang, MD, PhD, Institute of Digestive Endoscopy and Medical Center for Digestive Diseases, Second Affiliated Hospital of Nanjing Medical University, 121 Jiang Jia Yuan, Nanjing 210011, China. E-mail: [email protected]
This letter underwent AJG editorial review.
doi: 10.1038/ajg.2012.251
