Thanks. already posted there. Mind checking it out?Assuming you are conducting a serious survey, there is a sub-forum here for that kind of thing. Be warned that if your quest is less serious, you may run afoul of the moderators.
Here is that sub-forum. If you go there you can click the green "Start a thread" button at top right.
http://www.diabetes.co.uk/forum/category/diabetes-research.36/
Good luck.