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Oregon
| Name of Author | Institutional Affiliation |
|---|---|
| Fu R | Oregon Evidence-based Practice Center, Oregon Health & Science University, Portland, OR, U.S.A. |
| Lewis S | Northwest Cardiovascular Institute, Portland, OR 97210, USA. sandral@nw-ci.com |
| Nelson HD | Oregon Evidence-based Practice Center, Oregon Health & Science University, Portland, OR, U.S.A. |