1. Umeå University, Umeå, Sweden
2. University of Edinburgh, Edinburgh, UK
3. Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland
4. Hospital de Santa Maria, Lisbon, Portugal
5. University of Turin and San Giovanni Hospital, Turin, Italy
6. University of Leuven and VIB, Leuven, Belgium
7. Trinity College and Beaumont Hospital, Dublin, Ireland
8. Medizinische Hochschule Hannover, Germany
9. School of Clinical and Experimental Medicine, University of Birmingham and Queen Elizabeth Hospital, Birmingham, UK
10. Hôpital de la Salpêtrière, Paris, France
11. University of Milan Medical School, Milan, Italy
12. Jagiellonian University Medical College, Krakow, Poland
13. Munich University Hospital, Munich, Germany
14. Kantonsspital St Gallen and University Hospital Basel, Basel, Switzerland