Funding for this research was provided by:
Stichting Vrienden van de Voormalige te Noordwijk gevestigde Reumakliniek Sole Mio (NA)
Received: 4 February 2021
Accepted: 19 September 2021
First Online: 29 October 2021
: Ethics approval was granted by the Leiden University Medical Center research ethics board, and informed consent was obtained from each participant according to the Declaration of Helsinki. All samples and data were coded to maintain the anonymity of the patients.
: Not applicable.
: HK has performed this work as part of her PhD studies and is currently an employee of Fluidigm. GB is currently an employee of VisuaLyte.