<qa>  What is the same dose of prednisone for 6-weeks or more?The study is divided into 3 sequential study periods. Period 1: symptomatic eosinophilic bronchitis with or without asthma on the same dose of prednisone for 6-weeks or more. Period 2: standardized prednisone reduction and inhaled steroid if prednisone is discontinued during the study treatment at intervals of 4-weeks until there is a clinical and eosinophilic exacerbation or bothersome steroid withdrawl effects. Period 3: washout. 