Correction to: Association of PM2.5 concentration with health center outpatient visits for respiratory diseases of children under 5 years old in Lima, Peru.

The original version of this article [1], published on 15 January 2020, contained incorrect name of the co- author. In this Correction the affected part of the article is shown.

Association of PM concentration with health center outpatient visits for respiratory diseases of children under 5 years old in Lima, Peru.

Background: Lima is one of the more polluted cities in Latin America. High levels of PM have been shown to increase health center outpatient visits of respiratory diseases.

Methods: Health center outpatient visits for children < 5 years for childhood respiratory disease (acute lower respiratory infections (ALRI), pneumonia and acute bronchiolitis/asthma) from 498 public clinics in Lima were available on a weekly basis from 2011 to 2015 from Peru's Ministry of Health (MINSA).

Associations among condom use, sexual behavior, and knowledge about HIV/AIDS. A study of 13,293 public school students.

Background: This school-based study explored associations between Mexican young people's condom use, other sexual behaviors, and HIV/AIDS knowledge.

Methods: Students (n=13,293, 11-24 years of age) from a random sample of public schools in the central Mexican state of Morelos completed a self-administered questionnaire. We performed logistic regression analysis of condom use and sexual behavior variables and a knowledge-based index on HIV/AIDS prevention and transmission.