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Licensed Unlicensed Requires Authentication Published by De Gruyter January 16, 2023

On the importance of sampling interval in studies of biological variation in thyroid function

  • Stig Andersen ORCID logo EMAIL logo , Johannes Riis , Jesper S. Karmisholt and Stine L. Andersen ORCID logo

Corresponding author: Professor Dr. Stig Andersen, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark; and Departments of Clinical, Internal and Geriatric Medicine, Aalborg University Hospital Hobrovej 18-22, 9000 Aalborg, Denmark, Phone: +45 9766 6000, 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. Informed consent: Not applicable.

  5. Ethical approval: Not applicable.


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Received: 2022-11-07
Accepted: 2023-01-06
Published Online: 2023-01-16
Published in Print: 2023-06-27

© 2023 Walter de Gruyter GmbH, Berlin/Boston

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