Affiliation: | Policy Analysis Inc. (PAI), 4 Davis Court, Brookline, MA, 02445, USA; Pfizer Inc., 500 Arcola Road, Collegeville, PA, 19426, USA; Policy Analysis Inc. (PAI), 4 Davis Court, Brookline, MA, 02445, USA; Group Health Research Institute, 1730 Minor Ave, Suite 1600, Seattle, WA, 98101, USA |