[1] Univ South Carolina, Arnold Sch Publ Hlth, Dept Hlth Serv Policy & Management, 915 Greene St,Discovery Bldg,Ste 358, Columbia, SC 29208 USA
[2] Washington Univ, St Louis, MO USA
[3] Erasmus Univ, Inst Hlth Policy & Management, Sect Hlth Technol Assessment, Rotterdam, Netherlands
[4] Erasmus Univ, Inst Hlth Policy & Management, Erasmus Choice Modelling Ctr, Rotterdam, Netherlands
[5] Univ Med Ctr, Erasmus MC, Dept Publ Hlth, Sect Med Decis Making, Rotterdam, Netherlands
[6] Univ Med Ctr, Erasmus MC, Dept Publ Hlth, Erasmus Choice Modelling Ctr, Rotterdam, Netherlands
[7] Hsch Neubrandenburg, Gesundheitsokon & Med Management, Neubrandenburg, Germany
[8] Duke Univ, Duke Clin Res Inst, Ctr Clin & Genet Econ, Durham, NC USA
[9] Duke Univ, Duke Global Hlth Inst, Ctr Hlth Policy & Inequal Res, Durham, NC USA