Here below is a link toward an interesting post on the qualities that a title should have (in fact half of the post gives the recipe of an empty uninformative, useless title, in an ironic way, with the intend to be more pedagogic).
http://blogs.lse.ac.uk/impactofsocialsciences/2014/02/05/academics-choose-useless-titles/
And the same author in another post, with the same sharp irony shows us how to write a bad abstract :
By the way the title of my post is not informative enough according to the standards here above. At least a cue of what the response to the question is should have been inserted.
Health Services Authors 