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Article History

Received: 17 July 2020

Accepted: 2 November 2020

First Online: 11 November 2020

Ethics approval and consent to participate

: Conforming to the information nature, this study has no risk for participants and informed consent or ethics approval was not required. Information was collected and analyzed following international standards (The Declaration of Helsinki, The Belmont Report and The International Guidelines prepared by the Council for International Organizations of Medical Sciences (CIOMS)), as well as national regulations (Resolution 8430 of 1993, stated by The Colombian Health Ministry) for conducting human research which stated that due the nature of the NACR and its direct regulation by the state, an ethics approval was not necessary. Confidentiality was guaranteed throughout the information processing (reporting, managing, analysis and publication). All records were anonymized before the analysis. Furthermore, access to data was restricted to the research team and the results only can be used for approved research or academic purposes.The consent to participate was not applicable, the data were obtained from administrative health databases, therefore, no administrative permits and/or licenses were required to access and use patient clinical/personal data.

: Not applicable.

: The authors declare that they have no conflict of interest.