Add punctuation: Plagiarists are always suspicious of being stolen from STColeridge
A: Plagiarists are always suspicious of being stolen from. S.T.Coleridge

Add punctuation: eHealth technologies empower patients to take more responsibility for their own health and quality of life and they lead to better costefficiency in the health sector
A: eHealth technologies empower patients to take more responsibility for their own health and quality of life, and they lead to better cost-efficiency in the health sector.

Add punctuation: This joint authority should be open to all interested European states and create a common basis for economic development
A:
This joint authority should be open to all interested European states and create a common basis for economic development.