1. George Washington University School of Medicine and Health Sciences, Washington, District of Columbia.
2. Lomonosov Moscow State University, Moscow, Russia.
3. Max-Planck Institute for Molecular Genetics, Dresden, Germany.
4. Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia.
5. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.
6. German Rheumatism Research Center, Berlin, Germany.