[1] Kings Coll London, St Thomas Hosp, BHF Ctr, Rayne Inst, London, England
[2] Univ Hosp Basel, Dept Cardiol, Basel, Switzerland
[3] Univ Hosp Basel, Cardiovasc Res Inst Basel, Basel, Switzerland
[4] Univ Hosp Basel, Lab Med, Basel, Switzerland
[5] Univ Heart Ctr Hamburg, Dept Gen & Intervent Cardiol, Hamburg, Germany
[6] Hosp Clin Barcelona, Emergency Dept, Barcelona, Spain
[7] Global Res Acute Condit Network, Rome, Italy
[8] Hosp Clin San Carlos, Emergency Dept, Madrid, Spain
[9] Second Cardiol Dept, Zabrze, Poland
[10] Univ Silesia, Katowice, Poland
[11] Martin Luther Univ Halle Wittenberg, Inst Physiol Chem, Halle, Germany