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Authors
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Ruiz-Algueró, Marta
Hernando, Victoria
Marcos, Henar
Gutiérrez, Gonzalo
Pérez-Elías, Maria Jesus
López-Bernaldo de Quirós, Juan Carlos
Pulido, Federico
Górgolas, Miguel
Sanz, Jesus
Suarez-García, Ines
Fernandez, Maria Teresa
Losa, Juan Emilio
Pérez, Jose Luis
Ladrero, Maria Oliva
Prieto, Miguel Ángel
González, Gustavo
Izquierdo, Ana
Viloria, Luis Javier
López, Irene
Martínez, Eva
Castrillejo, Daniel
Aranguren, Rosa
Belmonte, Maria Antonia
Aranda-García, I V
Arraiza, Antonio
Diaz, Asuncion https://orcid.org/0000-0002-8309-4270
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Article History
Received: 23 September 2020
Accepted: 17 January 2021
First Online: 30 January 2021
Ethics approval and consent to participate
: The study was performed in accordance with the requirements of the Spanish legislation on data protection. Questionnaires were totally anonymous, i.e. no personal identifiers were collected and linkage of questionnaires to patients was not possible. Informed consent for epidemiological surveillance data is deemed unnecessary according to national regulations (Ley 33/2011, de 4 de octubre, General de Salud Pública, Article 41. BOE-A-2011-15623). The Ethics Committee of Hospital Puerta de Hierro approved this study in 2014 (Acta n° 301).
: Not applicable.
: None.
