1. Oncology Research Unit, Pfizer Worldwide Research and Development, Pearl River, NY 10965, USA
2. Oncology Research Unit, Pfizer Worldwide Research and Development, Cambridge, MA 02140, USA
3. Drug Safety Research and Development, Pfizer Worldwide Research and Development, San Diego, CA 92121, USA
4. Oncology Research Unit, Pfizer Worldwide Research and Development, San Diego, CA 92121, USA