Received: 8 January 2020
Accepted: 29 June 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: The information contained in the MBDS is completely anonymous and includes no data that could identify patients, doctors, or centres, ensuring full confidentiality. Raw data are freely accessible in the minimum basic data set (MBDS) supported by the Ministry of Health of Spain.The present project received a waiver from the local ethics committee, Comité de Ética de la Investigación de la Universidad Rey Juan Carlos, which ruled that no formal ethics approval was required.
: Not applicable.
: AGM and RGP have received research grants and/or honoraria as a consultant/advisor and/or speaker from Sanofi Pasteur MSD, Merck, Sanofi Pasteur, Pfizer and Novartis. None declared for the rest of the authors.