[1] Univ British Columbia, Dept Med, ICORD, Vancouver, BC V6T 1Z4, Canada
[2] Univ Alabama Birmingham, Birmingham, AL USA
[3] Rigshosp, DK-2100 Copenhagen, Denmark
[4] Univ Copenhagen, Copenhagen, Denmark
[5] Case Western Reserve Univ, Cleveland, OH 44106 USA
[6] Univ Miami, Miami, FL USA
[7] Craig Hosp, Englewood, CO USA
[8] Stanford Univ, Palo Alto, CA 94304 USA
[9] Univ Hosp Balgrist, Zurich, Switzerland
[10] Thomas Jefferson Univ, Philadelphia, PA 19107 USA
[11] James A Haley VA Hosp, Tampa, FL USA
[12] Baylor Coll Med, Houston, TX 77030 USA
[13] Shepherd Ctr, Atlanta, GA USA
[14] Carolinas Healthcare, McKay Urol, Charlotte, NC USA
[15] Sahlgrens Univ Hosp, S-41345 Gothenburg, Sweden
[16] Aarhus Univ Hosp, DK-8000 Aarhus, Denmark
[17] Kessler Inst Rehabil, W Orange, NJ USA
[18] Imperial Coll Sch Med, St Marys Hosp, London, England
[19] James J Peters Vet Affairs Med Ctr, Bronx, NY USA
[20] Univ Copenhagen, Herlev Hosp, Copenhagen, Denmark
[21] Vet Affairs Puget Sound Hlth Care, Seattle, WA USA
[22] Mayo Clin, Rochester, MS USA
[23] Univ Antwerp, Univ Antwerp Hosp, B-2020 Antwerp, Belgium