[1] Univ Lorraine, Univ Henri Poincare, Nancy, France
[2] Kinki Univ, Sch Med, Osaka 589, Japan
[3] Pisa Univ Hosp, Pisa, Italy
[4] Univ Pisa, Sch Med, I-56100 Pisa, Italy
[5] Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China
[6] Policlin Metropolitana, Caracas, Venezuela
[7] Kyorin Univ, Sch Med, Tokyo, Japan
[8] Johns Hopkins Univ, Sch Med, Baltimore, MD USA
[9] Hosp Angeles Clin Londres, Mexico City, DF, Mexico
[10] Univ Hosp Larissa, Larisa, Greece
[11] Virginia Commonwealth Univ, Med Ctr, Richmond, VA 23284 USA
[12] Nihon Univ, Sch Med, Tokyo, Japan
[13] Catholic Univ Korea, Seoul, South Korea
[14] Bayer HealthCare Pharmaceut, Montville, NJ USA
[15] Fudan Univ, Shanghai 200433, Peoples R China
[16] Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA