^*Hospital de Clinicas Buenos Aires, University of Buenos Aires, Buenos Aires, Argentina

^†Cleveland Clinic Florida, Weston, FL

^‡Department of Surgery, Fondazione IRCCS - Ca’ Granda - Ospedale Maggiore Policlinico University of Milan, Milan, Italy

^§University of California San Diego, La Jolla, CA

^¶Elisabeth-Krankenhaus Thuine, Germany

^||IHU Strasbourg, Institute of Image-Guided Surgery and IRCAD, Research Institute against Cancer of the Digestive System, Strasbourg, France

^**University Hospital Das Clinicas, Buenos Aires, Argentina

^††Stanford University School of Medicine, Stanford, CA

^‡‡National Center for Global Health and Medicine, Tokyo, Japan

^§§Purdue University, West Lafayette, IN

^¶¶Clinica Planas, Barcelona, Spain

^||||Flagler Hospital, St. Augustine, FL

^***Cleveland Clinic, Lerner College of Medicine at Case Western Reserve University, Cleveland, OH

^†††Royal Prince Alfred Hospital, Sydney, Australia

^‡‡‡Klinikum Südstadt Rostock, Rostock, Germany

^§§§Maimonides Medical Center, Brooklyn, NY

^¶¶¶FPO Candolo Institute for Cancer Research and Treatment I.R.C.C.S, Turin, Italy

^||||||Maastricht University Medical Center, Maastricht, The Netherlands

^****Leiden University Medical Center, Leiden, The Netherlands

^††††Centre Hépato-Biliaire, Hôpital Paul Brousse, Villejuif, France

^‡‡‡‡University of Alabama at Birmingham, Birmingham, AL

^§§§§ScienceRight Research Consulting London, Ontario, Canada

^¶¶¶¶The Univeristy of Tokyo, Tokyo, Japan.

[email protected].

Funding: Diagnostic Green; Intuitive; Medtronic; Olympus; Quest Medical Imaging; Stryker: Each provided unrestricted grants for the International Society for Fluorescence Guided Surgery (ISFGS) Advisory Board meeting, Frankfurt, Germany, September 8, 2019, during which the Delphi consensus was discussed. Diagnostic Green also funded accommodations and meals.

Disclaimer: None of the industry sponsors were actively involved in any process of the Delphi consensus or drafting, review, or revision of the manuscript.

All companies are sponsors/Corporate Council members of the International Society for Fluorescence Guided Surgery (ISFGS). All authors are members of the ISFGS Advisory Board.

Disclosures: R.J.R.: Consultant: Diagnostic Green, Medtronics; Stock-Holder: Medicad Simulation; K.W.: Consultant: Diagnostic Green; F.D.: Consultant: Diagnostic Green, Medtronics; S.D.W.: Royalties and consulting fees Intuitive, Medtronic, Karl Storz;

Consulting fees: Stryker

L.S.: Previous research grant Storz Gmbh; Member, Diagnostic Green Advisory Board;

L.B.: Consultant, Karl Storz; A.V.: No relevant financial disclosures; D.S.: No relevant financial disclosures; E.L.: No relevant financial disclosures;M.B.: Consultant, Stryker;

S.S-K.: No relevant financial disclosures; M.D.: No relevant financial disclosures; T.C.: No relevant financial disclosures; G.S.: No relevant financial disclosures; N.K.: Research Grant, Hitachi; Paid Lecturer, Eisai Co; D.M.: No relevant financial disclosures; J.W.: No relevant financial disclosures; T.I.: No relevant financial disclosures; Y.U.: No relevant financial disclosures; E.V.: No relevant financial disclosures; P.L.: Founder and stockholder: On Target Laboratories Inc; G.G.: No relevant financial disclosures; J.F.: No relevant financial disclosures; J.M.: No relevant financial disclosures;F.P.: No relevant financial disclosures; C.P.: No relevant financial disclosures.

The authors report no conflicts of interest.

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