Fatigue

• Department of Biomedical Sciences- University of Sassari — Sassari, Sassari (SS), Italy
• Department of Clinical and Experimental Medicine, University of Sassari — Sassari, Italy
• Department of Surgery, Microsurgery and Medical-Surgical Specialties — Sassari, Italy

• Institute of Odontology, Faculty of Health Sciences, University of Copenhagen — Copenhagen, Denmark

• Duke Comprehensive Cancer Center — Durham, North Carolina, United States

• CCOP - Central Illinois — Decatur, Illinois, United States
• CCOP - Wichita — Wichita, Kansas, United States
• CCOP - Grand Rapids — Grand Rapids, Michigan, United States
• CCOP - Kalamazoo — Kalamazoo, Michigan, United States

Not specified

• University of Rochester James P. Wilmot Cancer Center — Rochester, New York, United States
• Behavioral Sleep Medicine Program, Department of Psychiatry, University of Pennsylvania — Philadelphia, Pennsylvania, United States

• Mayo Clinic Scottsdale — Scottsdale, Arizona, United States
• Aurora Presbyterian Hospital — Aurora, Colorado, United States
• Boulder Community Hospital — Boulder, Colorado, United States
• Penrose Cancer Center at Penrose Hospital — Colorado Springs, Colorado, United States

• University of Iowa Hospitals and Clinics — Iowa City, Iowa, United States

• Newcastle Clinical Trials Unit — Newcastle upon Tyne, Tyne and Wear, United Kingdom

• New York State Psychiatric Institute — New York, United States