1. University of Hull; Kingston upon Hull United Kingdom
2. University of Birmingham Edgbaston; United Kingdom
3. Department of Medicine Sahlgrenska University Hospital Göteborg; Sweden
4. CHU Pitié-Salpetrière; Paris France
5. Cardiology Research Complex A L Myasnikov Institute of Clinical Cardiology ul. Tretiya Cherepkovskaya; Moscow Russia
6. Department of Internal Medicine; University Hospital; Zurich Switzerland