Authors Reply to: “Reevaluating Feature Selection in Machine Learning Models for Identifying Disease-Modifying Agents in Obstructive Sleep Apnea” Iván D. Benitez, Manuel Sánchez-de-la-Torre, David de Gonzalo-Calvo

Is Secondhand Tobacco Smoke Recognized as a Public Health Hazard by the Regional Authorities of Spain? Nerea Mourino, Carla Guerra-Tort, Mónica Pérez-Ríos

Reply to Figueroa-Gonçalves and de Miguel-Díez Marc Miravitlles, Konstantinos Kostikas, Nikoletta Bizymi, Nikolaos Tzanakis