[1] ROYAL CORNWALL HOSP,TRURO TR1 2HZ,ENGLAND
[2] MHH,HANNOVER,GERMANY
[3] UNIV GIESSEN,BAD NAUHEIM,GERMANY
[4] HOP LARIBOISIERE,F-75475 PARIS 10,FRANCE
[5] UNIV ERLANGEN NURNBERG,W-8520 ERLANGEN,GERMANY
[6] UNIV TSUKUBA,ORTHOPED KLIN,TSUKUBA,IBARAKI 305,JAPAN