[1] Hannover Med Sch, D-3000 Hannover, Germany
[2] Tohoku Univ, Grad Sch Med, Sendai, Miyagi 980, Japan
[3] SUNY Buffalo, Buffalo, NY 14260 USA
[4] Inst Cardiol, Warsaw, Poland
[5] Saitama Med Sch, Iruma, Saitama, Japan
[6] Hosp Lapeyronie, Montpellier, France
[7] Leiden Univ, Med Ctr, Leiden, Netherlands
[8] Univ Heidelberg, Heidelberg, Germany
[9] Hosp 12 Octubre, E-28041 Madrid, Spain
[10] Univ Dusseldorf, Dusseldorf, Germany
[11] Metab Med, London, England