Are you or someone you know a prospective PhD candidate? Join Maria Glymour, ScD, MS, program director for the PhD in Epidemiology & Translational Science at UCSF, for a Twitter question and answer session. Tag @MariaGlymour with #epitwitter in your tweet Thursday, October 29 between 12 noon and 1 pm, PST for answers to your epidemiology and translational science program, research and career questions. You can also send your questions ahead of time to us @ucsf_epibiostat (send us a direct message or tag us in your tweet).