We advance in health thanks to the PAPI children's health application Concepción Sánchez Pina; Jaime Javier Cuervo Valdés; Javier Garrido Torrecillas; María Isabel Martín Delgado; Olga Cortés Rico; María Jesús Esparza Olcina; José María Mengual Gil;

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;

Consensus document on the primary prevention of cow¿s milk protein allergy in infants aged less than 7 days Juan José Díaz Martín; Luis Blesa Baviera; Cristina Campoy Folgoso; Beatriz Espín Jaime; Maria Rosaura Leis Trabazo; Maria Mesa del Castillo; Rafael Martín Masot; Ana Martinez-Cañavate Burgos; Antonio Martorell Aragones; Manuel Molina Arias; Enriqueta Roman Riechmann; Miguel Saenz de Pipaón; Laura Valdesoiro Navarrete;