van Huijgevoort NCM, Veld JV, Fockens P, Besselink MG, Boermeester MA, Arvanitakis M, van Hooft JE.
Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, location AMC, Amsterdam, The Netherlands.
Department of Surgery, Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, location AMC, Amsterdam, The Netherlands.
Department of Gastroenterology and Hepatology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.

Kalatharan V, Jandoc R, Grewal G, Nash DM, Welk B, Sarma S, Pei Y, Garg AX.
Department of Epidemiology & Biostatistics, Western University, London, ON, Canada.
ICES, London, ON, Canada.
Division of Nephrology, University Health Network and University of Toronto, ON, Canada.
Division of Nephrology, Department of Medicine, Western University, London, ON, Canada.

Golan R, Cooper KL, Shah O.
Department of Urology, Columbia University Medical Center-NewYork-Presbyterian New York, NY.

Türer ÖB, Soyer T, Parlak E, Özcan HN, Bilen CY, Tanyel FC. Turk J.
Departments of Pediatric Surgery, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Departments of Gastroenterology, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Departments of Radiology, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Departments of Urology, Hacettepe University Faculty of Medicine, Ankara, Turkey.

Ang AJS, Sharma AA, Sharma A.
Yong Loo Lin School of Medicine, Singapore, Singapore.
Johns Hopkins University, Baltimore, USA.
Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.