Forecasting COVID-19 Infection Trends and New Hospital Admissions in Spain due to SARS-CoV-2 Variant of Concern Omicron Joan B. Soriano, Alberto Giovanni Gerli, Stefano Centanni, Julio Ancochea

New Variants in SARS-CoV-2: What are we Learning from the Omicron Variant? Juan Carlos Galán, Rafael Cantón

Polysomnographic Characteristics of Snoring Children: A Familial Study of Obstructive Sleep Apnea Syndrome Daniel Morell-Garcia, José Antonio Peña-Zarza, Pilar Sanchís, Javier Piérola, Mónica de la Peña, Josep Miquel Bauça, Nuria Toledo-Pons, Paloma Giménez, Caterina Ribot, Alberto Alonso-Fernández, Antonia Barceló