Authors' Note
The opinions expressed are solely those of the authors. No official
endorsement by the Agency for Healthcare Research and Quality or the Department of
Health and Human Services is intended or should be inferred. Drs. Pezzin and Spillman
contributed to this project while working at the Agency for Healthcare Policy and
Research.
Address correspondence to Dr. William D. Spector, 540 Gaither Road, Suite 5000,
Rockville, MD 20850.
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540 Gaither Road Rockville, MD 20850