IgG4-related disease and B-cell malignancy due to an IKZF1 gain-of-function variant

Blanca García‐Solis, María Tapia-Torres, Ana García-Soidán, Elisa Hernández-Brito, María T. Martínez-Saavedra, José M. Lorenzo-Salazar, Sonia García‐Hernández, Ana Van Den Rym, K. Mayani, José Vicente Govantes-Rodríguez, Adrian Gervais, Paul Bastard, Anne Puel, Jean‐Laurent Casanova, Carlos Flores, Rebeca Pérez de Diego, Carlos Rodríguez‐Gallego