2 Mel and Enid Zuckerman College of Public Health; Arizona Cancer Center.
3 Mel and Enid Zuckerman College of Public Health.
4 University of Arizona, Tucson, AZ; Faculty of Science for Girls; Faculty of Science.
5 Department of Biochemistry, King Abdulaziz University, Jeddah, Saudi Arabia; Center of Excellence for Osteoporosis Research, Jeddah, Saudi Arabia.
6 Department of Nutritional Sciences; Mel and Enid Zuckerman College of Public Health; Arizona Cancer Center. Electronic address: cthomson@arizona.edu.