Text and Data Mining valid from 2019-11-09
Received: 2 August 2019
Accepted: 15 October 2019
First Online: 9 November 2019
Compliance with ethical standards
: For this purpose, we recruited 307 volunteers from Mexico City who signed a consent form before to the inclusion in our study, according to the ethical guidelines of the Helsinki Declaration. The anonymity of these individuals was preserved at all times. This project was approved by the Ethical Research Committee at the Instituto de Ciencias Forenses (INCIFO) of Mexico City.
: The authors declare that they have no conflict of interest.