Received: 9 October 2020
Accepted: 30 December 2020
First Online: 3 February 2021
Compliance with ethical guidelines
: L. Corral-Gudino, A. Bahamonde, F. Arnaiz-Revillas, J. Gómez-Barquero, J. Abadía-Otero, C. García-Ibarbia, V. Mora, A. Cerezo-Hernández, J.L. Hernández, G. López-Muñíz, F. Hernández-Blanco, J.M. Cifrián, J.M. Olmos, M. Carrascosa, L. Nieto, M.C. Fariñas, J.A. Riancho, and GLUCOCOVID investigators declare that they have no competing interests.
: All human and animal studies were approved by the hospital ethics committee and therefore were performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008. The study was registered at the European Clinical Trials Register (ExternalRef removed EudraCT number: 2020-001934-37) and the Spanish Registry of Clinical Studies (ExternalRef removed. Number 2020-001934-37). Informed consent was obtained from all patients included in the study.
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