Funding for this research was provided by:
Fondo de Fomento al Desarrollo Científico y Tecnológico (ID18I10034)
Osteology Foundation (17-125)
Text and Data Mining valid from 2019-12-01
Received: 9 July 2019
Accepted: 26 November 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: The study and protocol were approved by an independent bioethical committee of the Faculty of Medicine of the University of Chile according to legal regulations (Proyect number 1070431). The study protocol was explained to all patients, and informed consent forms were signed prior to entry in the study.
: Not applicable.
: The authors declare that they have no competing interest.