Received: 19 April 2021
Accepted: 17 September 2021
First Online: 12 October 2021
: Project approved by the Vall d’Hebron Research Institute Ethics Committee and by the Health and Education regional institutions. The database sequence was conducted according to the ethical guidelines and principles of the international Declaration of Helsinki 2013. Informed consent was obtained from all subjects or if subjects are under 18, from a parent and/or legal guardian.
: Not applicable.
: The authors declare that they have no competing interests.