Aged

• VA Ann Arbor Healthcare System, Ann Arbor, MI — Ann Arbor, Michigan, United States
• Battle Creek VA Medical Center, Battle Creek, MI — Battle Creek, Michigan, United States
• John D. Dingell VA Medical Center, Detroit, MI — Detroit, Michigan, United States
• VA Puget Sound Health Care System Seattle Division, Seattle, WA — Seattle, Washington, United States

Not specified

• University of Pittsburgh School of Medicine — Pittsburgh, Pennsylvania, United States

• Lislei Jorge Patrizzi — Uberaba, Minas Gerais, Brazil

• School of Arts, Sciences and Humanities of the University of Sao Paulo — São Paulo, Brazil

• Federal University of Pernambuco — Recife, Pernambuco, Brazil

• Department of Anesthesiology of Guangzhou Women and Children's Medical Center — Guangzhou, Guangdong, China

• Sykehuset Levanger — Levanger, Norway
• Distriksmedisinsk Senter — Stjørdal, Norway
• Stjørdal Kommune — Stjørdal, Norway
• Verdal kommune — Verdal, Norway

• Faculty of Associated Medical Sciences, Chiang Mai University — Sripoom, Chiang Mai, Thailand

• The Village Retirement Community — Gainesville, Florida, United States