[1] STADT KLINIKEN DARMSTADT,MED KLIN 2,D-6100 DARMSTADT,FED REP GER
[2] KRANKENHAUS ST JOSEPH,D-5600 WUPPERTAL ELBERFEL,FED REP GER
[3] MED HSCH HANNOVER,D-3000 HANNOVER 51,FED REP GER
[4] UNIV HEIDELBERG,CHIRURG KLIN,D-6900 HEIDELBERG,FED REP GER
[5] KRANKENHAUS BETHANIEN,D-2000 HAMBURG 20,FED REP GER
[6] EVANGEL KRANKENHAUS KALK GMBH,D-5000 KOLN 91,FED REP GER
[7] UNIV ERLANGEN NURNBERG,CHIRURG KLIN,D-8520 ERLANGEN,FED REP GER
[8] ALLGEMEINE KRANKENHAUSES ALTONA,D-2000 HAMBURG 50,FED REP GER
[9] KRANKENHAUS NORDWEST,D-6000 FRANKFURT 90,FED REP GER
[10] STADT KLINIKEN DARMSTADT,CHIRURG KLIN,D-6100 DARMSTADT,FED REP GER