Impact of sleep hygiene education on sleep and nutrition in children aged 10¿18 years Çi¿dem Müge Hayl¿; Seockhoon Chung; Dilek Demir Kösem;

Prognostic role of novel variables in sudden cardiac death risk associated to hypertrophic cardiomyopathy María López Blázquez; María Ángeles Espinosa Castro; Reyes Álvarez García-Rovés; Miriam Centeno Jiménez; Ana Isabel Fernández Ávila; Francisco Javier Bermejo Thomas; Constancio Medrano López;

Clinical characteristics and mortality risk factors in patients aged less than 18 years with COVID-19 in Mexico and Mexico City Rosa María Wong-Chew; Daniel Ernesto Noyola; Antonio Rafael Villa;