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Article History

Received: 30 January 2022

Accepted: 19 October 2022

First Online: 31 October 2022

Declarations

:

: The study was approved by the Lund University Ethics Review Board (approval 2009/36; 2010/561 and 2011/88). All methods are carried out in accordance with the relevant guidelines and regulations. All participants received written as well as oral consent in their spoken language. All participants signed an informed consent form prior to participation in the study.

: Not applicable.

: JS is employed by Sphingotec GmbH, a company that has patent rights regarding Pro-NT assay and commercializing it. AB is CEO of Sphingotec GmbH and holds shares in this company. JS and AB provided the pro-NT kits, conducted and quality controlled the pro-NT measurements. The specific roles of these authors [JS and AB] are articulated in the ‘author contributions’ section above. The other authors declare they have no disclosures. The commercial affiliation does not alter us adherence to the policies of BMC Endocrine disorders on sharing data and materials.