Challenges and current status of children pain management in Spain Yasmina Mozo del Castillo; Blanca Toledo del Castillo; Lucía Navarro Marchena; Moisés Leyva Carmona; Laura Monfort Carretero; María Concepción Míguez Navarro; Itziar Marsinyach Ros;

Pediatric virtual visits: experiences, preferences, and expectations of patients and caregivers Miren Ibarzabal Arregi; Tregony Simoneau; Jonathan M. Gaffin; María Gimeno Castillo; Isabel Castro Garrido; Claudia María Chaverri Reparaz; Laura Moreno-Galarraga;

Frequency, risk and impact measures in epidemiology Carlos Ochoa Sangrador; Eduardo Ortega Páez; Manuel Molina Arias; Fernando Carvajal Encina; Eduardo Cuestas Montañes;