Affiliation: | (1) Health Outcomes Research Group, Memorial Sloan-Kettering Cancer Center, New York, NY, USA;(2) Department of Health Services, University of Washington, Seattle, WA, USA;(3) Health Research Associates, Inc, Mountlake Terrace, WA, USA;(4) Amgen, Inc, Thousand Oaks, CA, USA;(5) Department of Biostatistics, University of Washington, Seattle, WA, USA |