Nyman, Ulf; Department of Translational Medicine, Division of Medical Radiology, Lund University, Malmö, Sweden. Electronic address: ulf.nyman@bredband.net
Björk, Jonas; Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden, Clinical Studies Sweden, Forum South, Skåne University Hospital, Lund, Sweden. Electronic address: jonas.bjork@med.lu.se
Berg, Ulla; Department of Clinical Science, Intervention and Technology, Division of Paediatrics, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden
Bökenkamp, Arend; Emma Children's Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
Dubourg, Laurence; Néphrologie, Dialyse, Hypertension et Exploration Fonctionnelle Rénale, Groupement Hospitalier Edouard Herriot, Hospices Civils de Lyon, Université Claude Bernard Lyon 1, and Laboratory of Tissue Biology and Therapeutic Engineering, UMR 5305 CNRS, Université Claude Bernard Lyon 1, Lyon, France
Goffin, Karolien; Department of Nuclear Medicine, University Hospital Leuven, Division of Nuclear Medicine and Molecular Imaging, KU Leuven, Leuven, Belgium
Grubb, Anders; Department of Clinical Chemistry, Skåne University Hospital, Lund University, Lund, Sweden
Hansson, Magnus; Function area Clinical Chemistry, Karolinska University Laboratory, Karolinska University Hospital Huddinge and Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden
Larsson, Anders; Department of Medical Sciences, Clinical Chemistry, Uppsala University, Uppsala, Sweden
Littmann, Karin; Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden and Medical Unit of Endocrinology, Theme Inflammation and Ageing, Karolinska University Hospital, Stockholm, Sweden
Åsling-Monemi, Kajsa; Department of Clinical Science, Intervention and Technology, Division of Paediatrics, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden
Pottel, Hans ; Université de Liège - ULiège > Département des sciences cliniques ; Department of Public Health and Primary Care, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium
Delanaye, Pierre ; Centre Hospitalier Universitaire de Liège - CHU > > Service de néphrologie
Swedish Research Council (Vetenskapsrådet; grant no. 2019 – 00198). The EKFC is supported by the European Renal Association. The funders had no role in study design, data collection, analysis, reporting, or the decision to submit for publication.UN, JB, UB, AB, LB, AG, HP, and PD are European Kidney Function Consortium (EKFC) Members. Research idea and study design: UN and JB (equal contribution); data acquisition: UB, AB, LD, KG, AG, MH, AL, KL, KÅ; data analysis/interpretation: UN, JB, HP, PD; statistical analysis: JB, HP; supervision or mentorship: HP and PD (equal contribution). Each author contributed important intellectual content during manuscript drafting or revision and agrees to be personally accountable for the individual's own contributions and to ensure that questions pertaining to the accuracy or integrity of any portion of the work, even one in which the author was not directly involved, are appropriately investigated and resolved, including with documentation in the literature if appropriate. Swedish Research Council (Vetenskapsrådet; grant no. 2019 – 00198). The EKFC is supported by the European Renal Association. The funders had no role in study design, data collection, analysis, reporting, or the decision to submit for publication. The authors declare that they have no relevant financial interests. Received June 1, 2021. Evaluated by 2 external peer reviewers, with direct editorial input from a Statistics/Methods Editor, an Associate Editor, and the Editor-in-Chief. Accepted in revised form February 7, 2022.
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