This is Dr. Bested's Functional Capacity Scale. She has been specializing in treating clients with ME/CFS for 20 years in both private practice and at the Environmental Health Clinic at Women's College Hospital in Toronto. She was one of the contributors towards the 1993 landmark publication of the ME/CFS Canadian Criteria, the most stringent diagnostic criteria for ME/CFS to date. She also co-authored the fantastic book Hope and Help for Chronic Fatigue Syndrome and Fibromyalgia along with Alan Logan ND, and lawyer Russ Howe. She leads rounds regularly for physicians in Toronto hospitals to better educate them about ME/CFS.