[1] Univ Texas, Hlth Sci Ctr, San Antonio, TX USA
[2] Stanford Univ, Med Ctr, Palo Alto, CA 94304 USA
[3] Monash Univ, Box Hill Hosp, Melbourne, Vic 3004, Australia
[4] Sanofi Aventis, Bridgewater, NJ USA
[5] Univ Roma La Sapienza, Rome, Italy
[6] Univ Fed Sao Paulo, Sao Paulo, Brazil
[7] Boston Univ, Sch Med, Boston, MA 02118 USA
[8] Paradise Valley Hosp, Chula Vista, CA USA
[9] Univ Calgary, Calgary, AB, Canada