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Police chases protesters during a protest rally against the latest reform measures demanded by Greece's creditors, in front of the Greek parliament building, in Athens on May 8, 2016. The reforms to be voted on by MPs later on May 8 would reduce Greece's highest pension payouts, merge several pension funds, increase contributions and raise taxes for those on medium and high incomes. / AFP / LOUISA GOULIAMAKI (Photo credit should read LOUISA GOULIAMAKI/AFP/Getty Images)

Police chases protesters during a protest rally against the latest reform measures demanded by Greece's creditors, in front of the Greek parliament building, in Athens on May 8, 2016.
The reforms to be voted on by MPs later on May 8 would reduce Greece's highest pension payouts, merge several pension funds, increase contributions and raise taxes for those on medium and high incomes. / AFP / LOUISA GOULIAMAKI        (Photo credit should read LOUISA GOULIAMAKI/AFP/Getty Images)