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;

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;

Increasing trend in patients with life-limiting and complex chronic conditions Javier Ochoa-Brezmes; Pablo del Villar Guerra; Jesús Andrés de Llano; Jesús Manuel Marugán de Miguelsanz;