[1] UNIV ERLANGEN NURNBERG,MED KLIN,D-8520 ERLANGEN,FED REP GER
[2] ZENT KLINIKUM,MED KLIN 3,AUGSBURG,FED REP GER
[3] KLINIKUM STEGLITZ,ANAESTHESIOL & OPERAT INTENSIVMED KLIN,BERLIN,FED REP GER
[4] UNIV GOTTINGEN,MED KLIN,D-3400 GOTTINGEN,FED REP GER
[5] STADT KRANKENHAUS KAISERSLAUTERN,MED KLIN 1,KAISERSLAUTERN,FED REP GER
[6] UNIV MAINZ,MED KLIN 2,D-6500 MAINZ,FED REP GER
[7] UNIV COLOGNE,CHIRURG KLIN,D-5000 COLOGNE 41,FED REP GER
[8] UNIV MUNICH,MED KLIN INNENSTADT,D-8000 MUNICH 2,FED REP GER
[9] STADT KRANKENHAUS PFORZHEIM,MED KLIN 2,PFORZHEIM,FED REP GER