Received: 14 February 2021
Accepted: 19 April 2021
First Online: 29 April 2021
: This study obtained the ethical approval of the ethics committees of all the institutions where it took place (Santa Maria Hospital, Lisbon; Faculty of Medicine of the University of Lisbon; Portuguese Blood Institute (IPS); OCD Clinic/Braga Hospital). Informed consent was obtained from all subjects. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.