Ansaloni et al. World Journal of Emergency Surgery (2016) 11:52 DOI 10.1186/s13017-016-0088-z ERRATUM Open Access Erratum to: 2016 WSES guidelines on acute calculous cholecystitis L. Ansaloni1, M. Pisano1*, F. Coccolini1, A. B. Peitzmann2, A. Fingerhut3, F. Catena4, F. Agresta5, A. Allegri1, I. Bailey6, Z. J. Balogh7, C. Bendinelli7, W. Biffl8, L. Bonavina9, G. Borzellino10, F. Brunetti11, C. C. Burlew12, G. Camapanelli13, F. C. Campanile14, M. Ceresoli1, O. Chiara15, I. Civil16, R. Coimbra17, M. De Moya18, S. Di Saverio19, G. P. Fraga20, S. Gupta21, J. Kashuk22, M. D. Kelly23, V. Khokha24, H. Jeekel25, R. Latifi26, A. Leppaniemi27, R. V. Maier28, I. Marzi29, F. Moore30, D. Piazzalunga1, B. Sakakushev31, M. Sartelli32, T. Scalea33, P. F. Stahel34, K. Taviloglu35, G. Tugnoli19, S. Uraneus36, G. C. Velmahos37, I. Wani38, D. G. Weber39, P. Viale40, M. Sugrue41, R. Ivatury42, Y. Kluger43, K. S. Gurusamy44 and E. E. Moore35 Erratum Unfortunately, the original version of this article [1] contained an error in the spelling of an author’s name. The surname is written as Koka, but should be spelt as Khokha. Author details 1General Surgery I, Papa Giovanni XXIII Hospital, Piazza OMS 1, Bergamo 24127, Italy. 2Department of Surgery, UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. 3Department of Surgical Research, Medical Univeristy of Graz, Graz, Austria. 4Department of Emergency and Trauma Surgery of the University Hospital of Parma, Parma, Italy. 5Department of General Surgery, Adria Civil Hospital, Adria, RO, Italy. 6University Hospital Southampton, Southampton, UK. 7Department of Traumatology, John Hunter Hospital and University of Newcastle, Newcastle, NSW, Australia. 8Acute Care Surgery, Queen’s Medical Center, School of Medicine of the University of Hawaii, Honolulu, HI, USA. 9Department of Surgery, IRCCS Policlinico San Donato, University of Milan Medical School, Milan, Italy. 10University of Verona, Verona, Italy. 11Unit of Digestive, Hepato-Pancreato-Biliary Surgery and Liver Transplantation, Henri Mondor Hospital AP-HP, Université Paris Est-UPEC, Créteil, France. 12Surgical Intensive Care Unit, Department of Surgery, Denver Health Medical Center, University of Colorado School of Medicine, Denver, USA. 13General Surgery - Day Surgery Istituto Clinico Sant’Ambrogio, Insubria University, Milan, Italy. 14Ospedale San Giovanni Decollato - Andosilla, Civita Castellana, Italy. 15Emergency Department, Trauma Center, Niguarda Hospital, Milan, Italy. 16Department of Surgery, Auckland City Hospital, Auckland, New Zealand. 17Division of Trauma, Surgical Critical Care, Burns, and Acute Care Surgery, University of California San Diego Health Sciences, San Diego, CA, USA. 18Harvard University, Cambridge, MA, USA. 19General, Emergency and Trauma Surgery, Maggiore Hospital Trauma Center, Bologna, Italy. 20Division of Trauma Surgery, University of Campinas, Campinas, SP, Brazil. 21Department of Surgery, Government Medical College, Chandigarh, India. 22Tel Aviv University Sackler School of Medicine, Assia Medical Group, Tel Aviv, Israel. 23Acute Surgical Unit, Canberra Hospital, Canberra, ACT, Australia. 24Surgical Department, Mozyr City Hospital, Mozyr, Belarus. 25Erasmus MC Rotterdam, Rotterdam, Holland, Netherlands. 26University of Arizona, Tucson, AZ, USA. 27Meilahti Hospital, Helsinki, Finland. 28Department of Surgery, Harborview Medical Center, Seattle, WA, USA. 29Department of Trauma, Hand, and Reconstructive Surgery, University Hospital, Goethe-University Frankfurt, Frankfurt, Germany. 30Department of Surgery, University of Florida, Gainesville, FL, USA. 31First General Surgery Clinic, University Hospital St. George/Medical University, Plovdiv, Bulgaria. 32Department of Surgery, Macerata Hospital, Macerata, Italy. 33Shock Trauma Center, Critical Care Services, University of Maryland School of Medicine, Baltimore, MD, USA. 34Denver Health Medical Center, Denver, CO, USA. 35Taviloglu Proctology Center, Istanbul, Turkey. 36Department of Surgery, Medical University of Graz, Graz, Austria. 37Emergency Surgery, and Surgical Critical Care, Massachusetts General Hospital, Boston, MA, USA. 38DHS, Srinagar, Kashmir, India. 39Trauma and General Surgery & The University of Western Australia, Royal Perth Hospital, Perth, Australia. 40Infectious Disease Unit, Teaching Hospital, S. Orsola-Malpighi Alma Mater Studiorum, University of Bologna, Bologna, Italy. 41Letterkenny University Hospital & Donegal Clinical Research Academy, Donegal, Ireland. 42Virginia Commonwealth University, Richmond, VA, USA. 43Division of General Surgery, Rambam Health Care Campus, Haifa, Israel. 44Royal Free Campus, University College London, London, UK. Received: 20 July 2016 Accepted: 21 July 2016 Reference 1. Ansaloni et al. 2016 WSES guidelines on acute calculous cholecystitis. World J Emerg Surg 2016;11:25. * Correspondence: aiace63@gmail.com 1General Surgery I, Papa Giovanni XXIII Hospital, Piazza OMS 1, Bergamo 24127, Italy Full list of author information is available at the end of the article © 2016 The Author(s). 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