[1] UMIT, Dept Publ Hlth & HTA, Tyrol, Austria
[2] Univ Dresden, Dresden Med Sch, Dept Publ Hlth, Dresden, Saxony, Germany
[3] Univ Utah, Outcomes Res Ctr, Dept Pharmacotherapy, Salt Lake City, UT USA
[4] Austrian Social Secur Inst, Main Assoc, Vienna, Austria
[5] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Inst Technol Assessment, Boston, MA USA
[6] Harvard Univ, Sch Med, Dept Radiol, Massachusetts Gen Hosp, Boston, MA 02115 USA
[7] Harvard Univ, Sch Med, Dept Hlth Policy & Management, Ctr Hlth Decis Sci, Boston, MA USA