[1] Klinikum Offenbach GmbH, Dept Obstet & Gynecol, Offenbach, Germany
[2] Semmelweis Egyet, Radiol & Onkoterapias Klin, Budapest, Hungary
[3] Natl Tumor Inst, Div Med Oncol A, Naples, Italy
[4] Korea Univ, Anam Hosp, Dept Internal Med, Seoul, South Korea
[5] Natl Oncol Inst, Dept Med Oncol, Panama City, Panama
[6] Genentech Inc, San Francisco, CA 94080 USA
[7] F Hoffmann La Roche & Co Ltd, Clin Sci, CH-4002 Basel, Switzerland
[8] Fundat Amaral CarvalhoHosp Jau, Jau, Brazil