Task: Answer Verification
Input (English): Question: Are several submaximal exercise tests reliable , valid and acceptable in people with chronic pain , fibromyalgia or chronic fatigue : a systematic review?
Answer: Moderate evidence was found for reliability, validity and acceptability of submaximal exercise tests in patients with chronic pain, fibromyalgia or chronic fatigue. There is no evidence about maximal exercise tests in patients with chronic pain, fibromyalgia and chronic fatigue.
Output (English): yes