Funding for this research was provided by:
Hellenic Rheumatology Society (856)
Received: 21 October 2020
Accepted: 10 January 2021
First Online: 21 January 2021
Ethics approval and consent to participate
: The study received approval from the Aristotle University of Thessaloniki Ethics Committee (Protocol Number 264) and was performed according to the Declaration of Helsinki.
: Acquired from the subjects to publish their nailfold videocapillaroscopic images.
: AA is the recipient of the International Training and Research Fellowship EMAH Stiftung Karla Voellm, Krefeld, Germany. The rest of the authors declare that they have no competing interests.