deletions | additions       diff --git a/conclusions.tex b/conclusions.tex  index 7d431e0..a528279 100644  --- a/conclusions.tex  +++ b/conclusions.tex 
...
\paragraph{Acknowledgements.}  We wish to thank Jan Vitek, Petr Maj, and Karl Millar for many enlightening discussions. We are especially grateful to Jan for sparking our interest in this exciting line of research. % during a pleasant visit at Purdue University and for interesting conversations in many other occasions.