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Article History

Received: 20 May 2021

Accepted: 23 October 2021

First Online: 7 November 2021

Declarations

:

: The information regarding the safety of this study was collected as stated in the Human Rights Protection Agreement for the Human Dignity applied to Medicine and Biology, to protect the personal information provided by the patients at the time of the interview (according to the European Council 2007) as well as the General Law for Personal Data Protection (according to Mexican Law). We included the Helsinki declaration as stated by The World Medical Association (WMA) as follows: The WMA has developed the Declaration of Helsinki as a statement of ethical principles for medical research involving human subjects, including research on identifiable human material and data. The Declaration is intended to be read as a whole and each of its constituent paragraphs should be applied with consideration of all other relevant paragraphs. Consistent with the mandate of the WMA, the Declaration is addressed primarily to physicians. The WMA encourages others who are involved in medical research involving human subjects to adopt these principles. The ethics approval committee at Xoco General Hospital acknowledged the protocol with the following registration number: 2007 010 23 20. We provided a written consent for use and management of personal data to all patients.

: The authors declare that they have no competing interests.