Received: 2 March 2020
Accepted: 4 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: Human subjects were included in this study. A cross-sectional study was conducted of a cohort of 206 patients studied in the HHT Unit of Hospital de Sierrallana, a reference centre for Spanish patients with HHT. The study complies with the Declaration of Helsinki and was approved by the institutional research ethics board.
: Not applicable.
: The authors declare that they have no conflict of interest.