"Special thanks to you for making this happen.  It is certainly important for us to know that the study in Spain will begin according to the plan" 

                " Yet again you have come up trumps!Thank you so much; it is reassuring to know that this study is in such competent and expert hands in Spain.Many thanks for your continued efforts! "



                "Thank you for managing this complicated situation in such a proactive manner. I can go on vacation with the feeling these sites are in the best possible hands"