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Licensed Unlicensed Requires Authentication Published by De Gruyter July 6, 2020

Performance of perpendicular drop versus tangent skimming gating of M-protein in proficiency testing challenges

Maria Alice V. Willrich EMAIL logo , Thomas A. Long , Christine Bashleben , Susan L. Fink , Joseph W. Rudolf , Daniel Peterson , Mark H. Wener , Richard J. Baltaro , Jonathan R. Genzen , Mohammad Qasim Ansari , Daniel D. Rhoads and Michael A. Linden EMAIL logo

Corresponding authors: Michael A. Linden, MD, PhD, Associate Professor, Director of Hematopathology, Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA, E-mail: ; and Maria Alice V. Willrich, PhD, DABCC, FAACC, Associate Professor of Laboratory Medicine and Pathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA, E-mail:

  1. Research funding: None declared.

  2. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: Authors state no conflict of interest.

  4. Ethical approval: The local Institutional Review Board deemed the study exempt from review.

  5. Disclosures: Authorship includes members of the Diagnostic Immunology and Flow Cytometry Committee of the CAP. Chair: MAL, Vice-Chair: DDR. Current members: MAVW, SLF, MHW, RJB. Past members: JRG, MQA. Employees of CAP: TAL, CB.


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Received: 2020-05-11
Accepted: 2020-06-15
Published Online: 2020-07-06
Published in Print: 2021-01-26

© 2020 Walter de Gruyter GmbH, Berlin/Boston

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