Funding for this research was provided by:
Instituto de Salud Global de Barcelona
Universidad de Navarra
Idifarma (In kind placebo)
Received: 11 May 2020
Accepted: 14 May 2020
First Online: 8 June 2020
Ethics approval and consent to participate
: Approved by the ethics committee [Comité de Ética de la Investigación con Medicamentos (CEIm), Hospital Universitario Puerta de Hierro Majadahonda] on May 5th 2020. Approved by the Spanish Agency of Medicines and Sanitary products on May 7th 2020.Informed consent will be obtained for all participants.
: Not applicable.
: The authors declare that they have no competing interests.