In the article 'Circulating Cell-Free DNA Levels in Patients with Metastatic Renal Cell Carcinoma' (Oncol Res Treat 2017;40:707–710) the list of authors was not correct. The correct author list should read: Keren Rouvinov a, Wilmosh Mermershtain a, Hadas Dresler b, Samuel Ariad a, Reut Riff c, Noa Shani-Shrem a, Daniel Keizman b, Endre Z. Neulander c and Amos Douvdevani d,e a Department of Oncology, Soroka University Medical Center, and Faculty of the Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel; b Department of Oncology, Meir Medical Center, Kfar Saba, Israel; c Interventional Urology Unit, Soroka University Medical Center, Beer Sheva, Israel; d Department of Clinical Biochemistry and Pharmacology, Ben-Gurion University of the Negev, Beer Sheva, Israel; e Department of Nephrology, Soroka University Medical Center, Beer Sheva, Israel