Within-subject biological variation of pairs of heavy/light immunoglobulin IgM chains (HLC IgM κ and λ) is low and requires monitoring: A comparison with HLC IgA, HLC IgG, and free light immunoglobulin chains (FLC) in healthy subjects

Affiliations

• ¹ Institute for Clinical and Experimental Medicine, Department of Laboratory Methods, Prague, Czech Republic; Third Faculty of Medicine, Charles University, Prague, Czech Republic. Electronic address: anja@medicon.cz.
• ² Institute for Clinical and Experimental Medicine, Department of Laboratory Methods, Prague, Czech Republic. Electronic address: kubicek.zdenek@seznam.cz.
• ³ Institute for Clinical and Experimental Medicine, Department of Laboratory Methods, Prague, Czech Republic. Electronic address: jitka.komrskova@ikem.cz.
• ⁴ SK-Lab, Ltd., Lučenec, Slovakia. Electronic address: peter.secnikjr@sklab.sk.
• ⁵ Institute for Clinical and Experimental Medicine, Department of Laboratory Methods, Prague, Czech Republic. Electronic address: tereza.vackova@ikem.cz.
• ⁶ Institute for Clinical and Experimental Medicine, Department of Laboratory Methods, Prague, Czech Republic. Electronic address: jiri.vymetalik@ikem.cz.
• ⁷ Institute for Clinical and Experimental Medicine, Department of Laboratory Methods, Prague, Czech Republic; Third Faculty of Medicine, Charles University, Prague, Czech Republic. Electronic address: janka.franekova@ikem.cz.