1. One of the medical diagnoses (cancer, amyotrophic lateral sclerosis, Parkinson's disease, spinal cord injury, neuropathy, and phantom limb pain, thalamic pain, pain related to injury of nerve plexus/plexi, and neuropathic facial pain), with reports of pain (at least 3 on item 3 on the 9 item Brief Pain Inventory)that remains despite their current medical treatment.