Romo-Aguas, Juan Carlos
González-H.León, Ana
Meraz-Gutiérrez, Miroslava Paolah
Martínez-Castellanos, María A.
Article History
First Online: 12 December 2019
Ethics approval and consent to participate
: The study was approved by the ethics committee of “Asociación Para Evitar la Ceguera en México I.A.P.” and conducted accordingly to the Declaration of Helsinki. No consent was required because it is a retrospective study that consisted of file review.
: Not applicable.
: The authors declare that they have no competing interests.