1 Division of Gastroenterology and Hepatology, Weill Cornell Medicine, New York, NY 10065, USA; Laboratory of Virology and Infectious Disease, Rockefeller University, New York, NY 10065, USA. Electronic address: ydj2001@med.cornell.edu.
2 Editor-in-Chief of Molecular Therapy and Department of Pediatrics, Gene and Cell Therapy Program, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA.