ACKNOWLEDGEMENTS
RENAL
The authors wish to express their gratitude to the lab technicians and staff at the Departments of Clinical Biochemistry and Immunology at Lillebælt Hospital, Vejle, and Zealand University Hospital, Denmark, and to the study nurses and lab technicians at the Department of Renal Medicine, Aarhus University Hospital, Department of Nephrology, Aalborg University Hospital, and the Department of Endocrinology at Zealand University Hospital, Aarhus University Hospital and Aalborg University Hospital. The authors are grateful to the nurses and the administrative staff of the involved dialysis departments. Finally, we would like to acknowledge the willingness of the many patients on dialysis who participated in this demanding study.