[1] Univ Calif San Francisco, San Francisco, CA 94143 USA
[2] Univ Colorado, Denver, CO 80202 USA
[3] Univ Dusseldorf, Dusseldorf, Germany
[4] Res Inst, Seoul, South Korea
[5] Natl Canc Ctr Hosp, Seoul, South Korea
[6] Charite, D-13353 Berlin, Germany
[7] Mayo Clin, Rochester, MN USA
[8] Mayo Clin, Scottsdale, AZ USA
[9] Lyon Univ Hosp, Lyon, France
[10] Tohoku Univ, Sendai, Miyagi 980, Japan
[11] Univ Alabama Birmingham, Birmingham, AL USA
[12] MedImmune, Gaithersburg, MD USA
[13] MedImmune, Cambridge, England