Affiliation: | a Industrial Engineering Department, University of Houston, Houston, Texas 77004, U.S.A. b Department of Laboratory Medicine, M.D. Anderson Hospital and Tumor Institute, Houston, Texas 77030, U.S.A. c Department of Developmental Therapeutics, M.D. Anderson Hospital and Tumor Institute, Houston, Texas 77030, U.S.A. d Section of Cell Biology, M.D. Anderson Hospital and Tumor Institute, Houston, Texas 77030, U.S.A. |