1. Le Centre de Recherche en Rhumatologie et ImmunologieCentre de Recherche du CHUL and the Department of MedicineFaculty of MedicineUniversité LavalSainte‐FoyQuébecCanada
2. Department of Microbiology and ImmunologyThe University of AdelaideNorth TerraceSouth Australia
3. Department of ImmunologyGenentech Inc.South San FranciscoCalifornia94080‐4980USA
4. Pfizer Central ResearchCrotonConnecticut06340‐5196USA