[1] Charite Campus Virchow Klinikum CVK, Berlin, Germany
[2] HELIOS Hosp, Pirna, Germany
[3] Praxisklin Herz & Gefass, Dresden, Germany
[4] City Hosp Dresden Friedrichstadt, Dresden, Germany
[5] HELIOS Hosp, Aue, Germany
[6] HELIOS Hosp, Plauen, Germany
[7] City Hosp, Riesa, Germany
[8] Tech Univ Dresden, Dresden, Germany
[9] Univ Hosp Dresden, Dresden, Germany