You can help Wikipedia by expanding it. CallbackDebugBehavior class to enable the return of exception information to services that call the callback object. Notice the way that the contract requires certain things of the service contract implementation and the run-time configuration to add behavior. Conducted by the Western European Union prior to
Obtain the Service Contract, Bindings, and Addresses
Placebo group: The other group took dummy pills (placebo). Both groups also went on a high-fiber, low calorie diet. These were the results of the 12 week study, which was published in The Journal of The American Medical Association (a highly respected scientific journal): Heymsfield, et al.
1998 As you can see, both groups lost weight.