[1] Univ Copenhagen, Herlev Hosp, Smooth Muscle Lab, DK-2730 Herlev, Denmark
[2] Broomfield Hosp, Chelmsford, Essex, England
[3] Bernhoven Hosp, Oss, Netherlands
[4] Koege Sygeuhs, Dept Clin Chem, Koege, Denmark
[5] S Carlo IDI Hosp, Urogynecol Unit, Rome, Italy
[6] Elisabeth Garrett Anderson Hosp, London, England
[7] Gothenburg Univ, Sahlgrenska Sjukhuset, Gothenburg, Sweden
[8] Charles Univ, Sch Med 1, Prague, Czech Republic
[9] Postgrad Med Sch, Prague, Czech Republic
[10] Gen Teaching Hosp, Prague, Czech Republic
[11] Univ Oslo, Rikshosp, N-0316 Oslo, Norway
[12] Seinajoki Cent Hosp, Seinajoki, Finland
[13] Karnavati Hosp Bldg, Ahmedabad, Gujarat, India
[14] Hosp Sao Joao, Fac Med Porto, Oporto, Portugal
[15] Thermenklinikum, Baden, Austria
[16] Helsinki Univ Hosp, Helsinki, Finland
[17] Univ Hosp Vienna, Vienna, Austria
[18] Univ Antwerp, Dept Urol, B-2020 Antwerp, Belgium