Personalized medicine is a concept which gradually became one of the greatest challenges of tomorrow's medicine. Indeed, if we knew that a drug prescribed for a given disease in a patient may not be able to heal and was otherwise sometimes have dangerous side effects or very important, it was difficult for a particular patient, predict the effectiveness of this drug and thus save valuable time for treatment (Schacter, 2006). A better understanding of diseases and each patient through diagnostic tests more accurate guide therapy allows a patient to a particular treatment and prevents others for signs ...