Funding for this research was provided by:
Fundação Bial (BIAL (63/10))
Fundação Calouste Gulbenkian (0488)
Sociedade Portuguesa de Neurologia (Bolsa Nunes Vicente)
Received: 6 February 2020
Accepted: 20 March 2020
First Online: 7 April 2020
Ethics approval and consent to participate
: The present study was carried out in accordance with the recommendations of the Ethics Committee of the Lisbon Academic Medical Center (LAMC). All subjects gave written informed consent in accordance with the Declaration of Helsinki, for both parts of the study. The protocol was approved by the Ethics Committees of the LAMC, the Portuguese Health Authority and local primary care centers.
: Not applicable.
: The authors declare that they have no competing interests.