Author Contributions: Dr Bakker had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Bakker, van Santvoort, Besselink, Weusten, Timmer.
Acquisition of data: Bakker, van Santvoort, van Brunschot, Bollen.
Analysis and interpretation of data: Bakker, van Santvoort, Geskus, Besselink, Boermeester.
Drafting of the manuscript: Bakker, van Santvoort, Besselink.
Critical revision of the manuscript for important intellectual content: Bakker, van Santvoort, van Brunschot, Geskus, Besselink, Bollen, van Eijck, Fockens, Hazebroek, Nijmeijer, Poley, van Ramshorst, Vleggaar, Boermeester, Gooszen, Weusten, Timmer.
Statistical analysis: Bakker, Geskus, Boermeester.
Obtained funding: Bakker.
Administrative, technical, or material support: Bakker, van Santvoort, van Brunschot, Nijmeijer.
Study supervision: Bakker, van Santvoort, Besselink, Fockens, van Ramshorst, Boermeester, Gooszen, Weusten, Timmer.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Fockens reported serving as a consultant for Boston Scientific, Cook Endoscopy, and Torax Medical and receiving royalties from Elsevier. Dr Poley reported receiving support for himself and his institution from Cook Endoscopy and travel support for meetings from MI Tech. Dr Boermeester reported pending grant support from Abbott Netherlands. No other conflicts were disclosed.
Steering Committee: M. A. Boermeester, O. J. Bakker, M. G. Besselink, P. Fockens, H. G. Gooszen, B. van Ramshorst, H. C. van Santvoort, B. Weusten, and R. Timmer (chair).
Expert Panel: M. A. Boermeester, T. L. Bollen, M. J. Bruno, C. H. Dejong, C. H. van Eijck, P. Fockens, H. van Goor, H. G. Gooszen, H. S. Hofker, J. S. Laméris, M. S. van Leeuwen, V. B. Nieuwenhuijs, A. F. Schaapherder, and R. Timmer.
Adjudication Committee: M. G. Besselink, M. A. Boermeester, H. G. Gooszen, B. van Ramshorst, B. L. Weusten, H. C. van Santvoort, and R. Timmer.
Collaborators: In addition to the authors, the following clinicians participated in this study. None of the collaborators received compensation for their role in the study: Department of Gastroenterology & Hepatology, Erasmus MC, University Medical Center, Rotterdam (M. J. Bruno, MD, PhD); Department of Surgery, Jeroen Bosch Hospital, ‘s-Hertogenbosch (K. Bosscha, MD, PhD); Department of Surgery, Maastricht University Medical Center, Maastricht (C. H. Dejong, MD, PhD); Department of Surgery, Radboud University Nijmegen Medical Centre, NIjmegen (H. van Goor, MD, PhD); Department of Surgery, University Medical Center Groningen, Groningen (H. S. Hofker, MD, and B. Nieuwenhuijs, MD, PhD); Department of Radiology, Amsterdam Medical Center, Amsterdam (J. S. Laméris, MD, PhD); Department of Radiology, University Medical Center Utrecht, Utrecht (M. S. van Leeuwen, MD, PhD); Department of Surgery, Leiden University Medical Center, Leiden (A. F. Schaapherder, MD, PhD); Department of Gastroenterology, Meander Hospital, Amersfoort (M. P. Schwartz, MD, PhD); Department of Surgery, University Medical Center Utrecht, Utrecht (G. T. Rijkers, MD, PhD); Department of Gastroenterology & Hepatology, Amsterdam Medical Center, Amsterdam (R. P. Voermans, MD, PhD).
Funding/Support:Dr Bakker is sponsored by grant number ZonMw 17099.2902 from the Netherlands Organization for Health Research and Development to perform clinical studies on necrotizing pancreatitis.
Role of the Sponsor: The sponsor had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.
Online-only Material: A video is available here.
Additional Contributions: We thank Ms Anneke Roeterdink, PENGUIN research nurse, department of Surgery, Utrecht University Medical Center, and all medical and nursing staff in the participating centers for their assistance in enrollment and care of patients enrolled in this study. Ms Roeterdink received no compensation for her role in the study.
This article was corrected for errors on March 13, 2012.