1 Department of Translational Medicine, Division of Medical Radiology, Lund University, Malmö, Sweden. Electronic address: ulf.nyman@bredband.net.
2 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.
3 Department of Clinical Science, Intervention and Technology, Division of Paediatrics, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden.
4 Emma Children's Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
5 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.
6 Department of Nuclear Medicine, University Hospital Leuven, Division of Nuclear Medicine and Molecular Imaging, KU Leuven, Leuven, Belgium.
7 Department of Clinical Chemistry, Skåne University Hospital, Lund University, Lund, Sweden.
8 Function area Clinical Chemistry, Karolinska University Laboratory, Karolinska University Hospital Huddinge and Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden.
9 Department of Medical Sciences, Clinical Chemistry, Uppsala University, Uppsala, Sweden.
10 Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden and Medical Unit of Endocrinology, Theme Inflammation and Ageing, Karolinska University Hospital, Stockholm, Sweden.
11 Department of Public Health and Primary Care, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium.
12 Department of Nephrology-Dialysis-Transplantation, University of Liège (ULg CHU), CHU Sart Tilman, Liège, Belgium; Department of Nephrology-Dialysis-Apheresis, Hopital Universitaire Caremeau, Nimes, France.