1. Mount Sinai Hospital, New York, NY, USA
2. University Clinics Charite Berlin, Germany
3. Russian Academy of Medical Sciences, Moscow, Russia
4. Medical University of Lodz Lodz, Poland
5. Barts and The London Queen Mary's School of Medicine and Dentistry, London, UK
6. Children's Hospital of Orange County (CHOC) Orange, CA, USA
7. Rambam Medical Center Haifa, Israel
8. CSL Behring Bern, Switzerland