| DIAGNOSIS OF PPS: DISEASES TO EXCLUDE |  |
| Pulmonary disease (e.g., sleep apnea) | |
| Cardiac disease | |
| Hematologic disease | |
| Endocrine disease (e.g., hypothyroidism) | |
| Cancer | |
| Chronic infectious disease | |
| Musculoskeletal disease (e.g., fibromyalgia) |  |
| Neurologic disease (e.g., myasthenia gravis) |  |
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