Pulmonary rehabilitation programs vary widely across the globe in terms of duration and location. In addition variability exists in the patients that are judged eligible for rehabilitation. We review the options clinicians have to organize programs in terms of who should be referred, when, where and for how long. Interestingly, although programs have been compared regarding the mean effects studies using personalized programs in terms of duration and location are not yet done. There are several

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... risk factors for lack of uptake and non-adherence to programs and logistical aspects (transportation) seem to be an important barrier. In terms of timing, patients suffering from muscle dysfunction are likely the best candidates for exercise training. There is no doubt that patients with exercise induced symptoms and those after exacerbations should be referred. Programs can be organized in several locations, each with advantages and barriers. When programs are adequately supervised there is no preference at group level for any of these locations. Patient preference should perhaps be used more as a criterion to prescribe a specific type of rehabilitation.