Adoption of Euro in Eastern Europe?

Current RGE Monitor mentions the following text, written by the FT:

Accelerated Euro Adoption To Ease Eastern Europe's Woes: IMF Backs The Idea

• A confidential report, drafted by the IMF, World Bank and the EBRD to support a region-wide anti-crisis strategy, says struggling EU countries in the CEE area should switch to the Euro even without full Euro zone membership: "Without euroisation, addressing the foreign debt currency overhang would require massive domestic retrenchment in some countries, against growing political resistance" (Financial Times)