Comorbidity

• Joseph Brant Hospital — Burlington, Ontario, Canada
• Health Sciences North/Laurentian University — Greater Sudbury, Ontario, Canada
• Hamilton General Hospital — Hamilton, Ontario, Canada
• School of Nursing, McMaster University — Hamilton, Ontario, Canada

Not specified

• Capital Regional Hospital, Amager, Integrated Outpatient Department — Copenhagen, Denmark

• McMaster University — Hamilton, Ontario, Canada

• Medical University of Graz — Graz, Austria

• Oakland Medical Center — Oakland, California, United States

• Hamilton Health Sciences — Hamilton, Ontario, Canada

Not specified

• Hospital Meixoeiro — Vigo, Pontevedra, Spain

• VA Medical Center, Birmingham — Birmingham, Alabama, United States
• Carl T. Hayden VA Medical Center — Phoenix, Arizona, United States
• Fayetteville, AR — Fayetteville, Arkansas, United States
• Long Beach — Long Beach, California, United States