Drs Michael Rudnicki and Michael Underhill have been appoint co-scientific directors of the Centre for Drug Research and Development, replacing Dr Michael Roberge who stepped down last year to return to academia fulltime. Rudnicki is a senior scientist and director of the regenerative medicine program at the Ottawa Hospital Research Institute's Sprott Centre for Stem Cell Research. Underhill is a professor at the Univ of British Columbia's department of cellular and physiological sciences….