Text and Data Mining valid from 2017-07-07
Received: 25 March 2017
Accepted: 8 June 2017
First Online: 7 July 2017
Compliance with ethical standards
: Claudia Cruzat-Mandich, Fernanda Díaz-Castrillón, Cristhian E. Pérez-Villalobos, Paula Lizana, Catalina Moore, Susan Simpson, and Camila Oda-Montecinos declare no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The project was evaluated and approved by the Bioethics Committee of the National Commission of Scientific and Technological Research of Chile, CONICYT.
: Informed consent was obtained from all individual participants included in the study.