Multicentric Prevalence Study of Anti-P Ribosomal Autoantibodies in Juvenile Onset Systemic Lupus Erythematosus Compared With Adult Onset Systemic Lupus Erythematosus Cecilia N. Pisoni, Sebastián Andrés Muñoz, Carolina Carrizo, Micaela Cosatti, Analía Álvarez, Diana Dubinsky, Eleonora Bresan, Ricardo Russo, Ezequiel Borgia, Mercedes García, Pierina Sansinanea, María Cristina Basta, Maria Agustina D’Amico, Juan Carlos Barreira, Eliana Lancioni, Enrique Soriano, Carmen de Cunto, Ana Beron, Alicia Eimon

Exploring the prevalence of pulmonary involvement in juvenile-onset systemic lupus erythematosus: Data from the UK JSLE Cohort Study Ayodele Faleye, Kamran Mahmood, Eslam Al-Abadi, Kate Armon, Kathryn Bailey, Mary Brennan, Coziana Ciurtin, Janet Gardner-Medwin, Kirsty Haslam, Daniel Hawley, Alice Leahy, Heather Rostron, Gulshan Malik, Zoe McLaren, Elena Moraitis, Athimalaipet Ramanan, Rangaraj Satyapal, Philip Riley, Ethan Sen, Alison Kinder, Nick Wilkinson, Christian Hedrich, Michael Beresford, Eve Smith

Macrophage Activation Syndrome as the Initial Manifestation of Severe Juvenile Onset Systemic Lupus Erythematosus. Favorable Response to Cyclophosphamide Alfonso Torres Jiménez, Eunice Solís Vallejo, Maritza Zeferino Cruz, Adriana Céspedes Cruz, Berenice Sánchez Jara