2021 clinical practice guidelines for the diagnosis, treatment, and follow-up of patients with peripheral spondyloarthritis. Colombian Association of Rheumatology Lina M. Saldarriaga-Rivera; Wilson Bautista-Molano; Alejandro Junca-Ramírez; Andrés R. Fernández-Aldana; Daniel G. Fernández-Ávila; Diego A. Jaimes; Edwin A. Jáuregui; Juan S. Segura-Charry; Consuelo Romero-Sánchez; Oscar J. Felipe-Diaz;

Recommendations of the Mexican College of Rheumatology for the management of spondyloarthritis Greta Reyes-Cordero; Favio Enríquez-Sosa; Citlallyc Gomez-Ruiz; Verónica Gonzalez-Diaz; José Dionisio Castillo-Ortiz; Sergio Duran-Barragán; J. Santos Duran-Ortiz; Rolando Espinosa-Morales; Jorge I. Gamez-Nava; Laura Gonzalez-Lopez; Bernardo Julian-Martínez; Angélica Mendoza-Fuentes; Cesar Ramos-Remus; Cesar Pacheco-Tena; Ruben Burgos-Vargas;

Impact of the COVID-19 pandemic on psychosocial health in rheumatic patients: A longitudinal study Laura Cano-García; Sara Manrique-Arija; Rocío Redondo-Rodríguez; Marta Vera-Ruiz; Jose Manuel Lisbona-Montañez; Arkaitz Mucientes-Ruiz; Aimara García-Studer; Fernando Ortiz-Marquez; Natalia Mena-Vázquez; Antonio Fernández-Nebro;