1. State Key Laboratory of Cancer Biology, Biotechnology Center, School of Pharmacy, The Fourth Military Medical University, Xi’an, China
2. Shaanxi Institute of Pediatric Diseases, Xi’an Children’s Hospital, Xi’an, China
3. Department of Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
4. Current/Present address: Diabetes Department, Nestle Institute of Health Science, EPFL Campus, Lausanne, Switzerland
5. Current/Present address: Center for Esophageal Research, Baylor University Medical Center, Dallas, Texas, USA