Espinoza, Pilar
Peduzzi, Marina
Agreli, Heloise F.
Sutherland, Melissa A.
Article History
Received: 4 July 2017
Accepted: 29 May 2018
First Online: 11 July 2018
Ethics approval and consent to participate
: This study was approved by the ethics committee of participating institutions in Chile. All participants provided written informed consent prior to participation.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.