[1] UNIV MUNICH,MED POLIKLIN,MUNICH,FED REP GER
[2] UNIV VIENNA,MED KLIN 1,VIENNA,AUSTRIA
[3] UNIV MUNICH,HALS NASEN OHREN KLIN,MUNICH,FED REP GER
[4] UNIV BERN,MED KLIN,BERN,SWITZERLAND
[5] UNIV ESSEN,FRAUEN KLIN,ESSEN,FED REP GER
[6] BUNDESGESUNDHEITSAMT,LAB EXPTL RADIOL,MUNICH,FED REP GER
[7] UNIV BASEL,MED KLIN,BASEL,SWITZERLAND
[8] UNIV BONN,FRAUEN KLIN,BONN,FED REP GER
[9] UNIV KIEL,MED KLIN 1,KIEL,FED REP GER
[10] UNIV MUNICH,MED KLIN,ABT KNOCHENMARKS DIAG,MUNICH,FED REP GER
[11] UNIV ULM,ZENTRUM BIOL & THEORET MED,ABT PATHOL 2,ULM,FED REP GER
[12] UNIV MUNICH,MED KLIN 1,MUNICH,FED REP GER
[13] UNIV FRANKFURT,ZENTRUM INNERE MED,ABT ANGIOL,FRANKFURT,FED REP GER
[14] UNIV COLOGNE,MED KLIN,COLOGNE,FED REP GER