[1] H Lee Moffitt Canc Ctr & Res Inst, Tampa, FL USA
[2] Beijing Hosp, Natl Ctr Gerontol, Beijing, Peoples R China
[3] Shanghai Jiao Tong Univ, Shanghai, Peoples R China
[4] Dana Farber Canc Inst, Boston, MA 02115 USA
[5] Dendreon Pharmaceut LLC, Seattle, WA USA
[6] PPS Analyt, Independence, OH USA