[1] UNIV MAASTRICHT, ST ANNADAL HOSP, MAASTRICHT, NETHERLANDS
[2] AD HOSP, MISTELBACH, AUSTRIA
[3] PRINCESS ROYAL HOSP, Kingston Upon Hull, ENGLAND
[4] YORK DIST HOSP, YORK YO3 7HE, N YORKSHIRE, ENGLAND
[5] PONTEFRACT GEN INFIRM, PONTEFRACT WF8 1PL, W YORKSHIRE, ENGLAND
[6] ST JAMES UNIV HOSP, LEEDS LS9 7TF, W YORKSHIRE, ENGLAND
[7] AZ MIDDELHEIM, DEPT UROL, ANTWERP, BELGIUM
[8] AZ MIDDELHEIM, DEPT ENDOCRINOL, ANTWERP, BELGIUM