A new onset of nephrotic proteinuria in Sjogren disease Teresa Furtado, Catarina Abrantes, Patricia Valério, Elsa Soares, Mário Góis, Ana Natário

Diabetic nephropathy confirmed by biopsy: on who and when do we have to perform a biopsy? Manuel Heras, Ana Saiz, Astrid Rodríguez, Rosa Sánchez, Álvaro Molina, M. José Fernández-Reyes

Mesoamerican nephropathy: A not so unknown chronic kidney disease Mariel Fabiola Valdivia Mazeyra, Patricia Muñoz Ramos, Rosario Serrano, Marina Alonso Riaño, Yohana Gil Giraldo, Borja Quiroga