Department of Gastroenterology;
Shengjing Hospital of China Medical University;
Shenyang 110004;
Liaoning Province;
China;
Department Allgemeine Innere Medizin;
Salem und Permanence;
Bern CH-3000;
Switzerland;
Department of Gastrointestinal;
Hepatology and Nutrition;
The University of Texas MD Anderson Cancer Center;
Houston;
TX 77030;
United States;
Chronic pancreatitis; Pancreatic fibrosis; Early diagnosis; Ultrasound endoscopy; Endosonography; Elastography; Confocal laser endomicroscopy;