latex Presentation with beamer package Multiple author and affiliation title slide




\title[]{ABCDE for analysis of PQRS systems}

\author[] {

      AA AAAA \inst{1}
      \and BB BBBB \inst{1}

      \and CC CCCC \inst{1}

      \and DD DDDD \inst{1} 

      \and EE EEEE\inst{2}

      \and FF FFFF\inst{3}

      \and GG GGGG \inst{3}}



   Department of UV, Univ. of XYZ


   Department of MN, Univ. of XYZ 


   Advanced Centre for PQR








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