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Authors
Mena-Iturriaga, Maria Jesus
Mauri-Stecca, Manuel Vicente
Sizer, Phillip S.
Leppe, Jaime
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Article History
Received: 14 November 2019
Accepted: 2 April 2020
First Online: 21 April 2020
Ethics approval and consent to participate
: Ethics approval and participant consent was not necessary, since the secondary database is available by the Chilean Ministry of Health for research purposes.
: Not applicable.
: The author(s) declare that they have no competing interests.
