1. Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747 AG Groningen, The Netherlands
2. Department of Chemistry, University of Texas, Austin, Texas 78712, United States
3. Department of Infectious Diseases and Immunology, School of Veterinary Medicine, Utrecht University, 3584 CL Utrecht, The Netherlands
4. Department of Rheumatology, Immunology, and Allergy, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States