It is an important point but we cant at the moment say anything about that, he said. The study was not set up to look at any differences between the two. These results are very encouraging and have given us great reasons to be optimistic for the future, said Professor Aziz Sheikh, director of the University of Edinburghs Usher Institute. Outside experts said while the findings in Scotland are encouraging, they should be interpreted with caution because of the nature of this kind of observational study. These results are very encouraging and have given us great reasons to be optimistic for the future, said Aziz Sheikh, a professor at the University of Edinburghs Usher Institute who co-led the study.
The study was set up to look at the differences between the two.
( z0 set-up :purpose ( z1 look :ARG0 ( z2 study ) :ARG1 ( z3 differ :ARG1 ( z4 thing :quant 2 ) ) ) :ARG1 z2 )
(z0 / set-up-03
    :purpose (z1 / look-01
                 :ARG0 (z2 / study-01)
                 :ARG1 (z3 / differ-02
                           :ARG1 (z4 / thing
                                     :quant 2)))
    :ARG1 z2)
The study was set up to look at the differences between the two .
z0 :ARG1 z2
z0 :purpose z1
z1 :ARG0 z2
z1 :ARG1 z3
z3 :ARG1 z4
z4 :quant 0