ORIGINAL ARTICLE Morten N Andersen Department of Clinical Biochemistry, Aarhus University Hospital, Denmark Department of Biomedicine, Aarhus University, Denmark Department of Haematology, Aarhus University Hospital, Denmark These authors contributed equally Search for more papers by this author Holger J Møller Corresponding Author E-mail address: holgmoel@rm.dk Department of Clinical Biochemistry, Aarhus University Hospital, Denmark These authors contributed equally Correspondence Holger J.