Received: 2 December 2020
Accepted: 6 May 2021
First Online: 12 June 2021
: The study was approved by the Ethics Committee of the Hospital General de Santo Domingo de los Tsáchilas and conducted in accordance with the rules of ethics of the Ecuadorian legislation (Public Health Ministerial order of December 31st, 2014). Written informed consent was waived due to the retrospective nature of the study by this committee. We followed the STROBE guideline to report this study. The authors declare they had no access to identifying patient information when analyzing the data.
: Not applicable.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.