Sierra-Hidalgo, Fernando http://orcid.org/0000-0003-4044-8304
Muñoz-Rivas, Nuria http://orcid.org/0000-0001-9774-963X
Torres Rubio, Pedro http://orcid.org/0000-0002-7608-9043
Chao, Kateri
Villanova Martínez, Mercedes
Arranz García, Paz
Martínez-Acebes, Eva
Article History
Received: 14 May 2020
Revised: 28 May 2020
Accepted: 30 May 2020
First Online: 27 June 2020
Compliance with ethical standard
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: This study belongs to the COVID-19@Vallecas cohort. The study has been approved by the Hospital Universitario Infanta Leonor ethics committee and has, therefore, been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments, and with the Spanish data protection laws.
: Written informed consent was waived due to the retrospective nature of the study. Collected data were anonymized, and each patient was identified by a unique alphanumeric identification code.
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