Corrigendum to: Serum progastrin-releasing peptide in pneumonia, chronic obstructive pulmonary disease and early-stage primary lung cancers

[1] Clinic of Medical Biochemistry, University Clinical Center of Kosovo, Pristina, Kosovo

[2] Clinical Institute of Laboratory Diagnostics, University Hospital Centre Osijek, Osijek, Croatia

[3] Faculty of Medicine, JJ Strossmayer University of Osijek, Osijek, Croatia

[4] Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia

[5] University Hospital Center Zagreb, Zagreb, Croatia

[6] School of Medicine, University of Zagreb, Zagreb, Croatia

[7] Oncology Department, University Hospital Centre Osijek, Osijek, Croatia

[8] Laboratory for Advanced Genomics, Ruđer Bošković Institute, Zagreb, Croatia

[9] Faculty for Dental Medicine and Health, JJ Strossmayer University of Osijek, Osijek, Croatia