[1] Dalhousie Univ, Dept Med, Halifax, NS, Canada
[2] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[3] Insubria Univ, Dept Med & Surg, Varese, Italy
[4] Univ Rochester, Med Ctr, Wilmot Canc Ctr, Rochester, NY 14642 USA
[5] Univ Washington, Sch Med, Dept Med, Med Ctr,Div Hematol, Seattle, WA 98195 USA
[6] McGill Univ, Dept Med, Montreal, PQ, Canada
[7] Lady Davis Inst, Montreal, PQ, Canada
[8] Univ Florida, Lillian S Wells Dept Neurosurg, Gainesville, FL USA
[9] Univ Florida, Dept Med, Div Hematol & Oncol, Gainesville, FL USA
[10] Penn Med Lancaster Gen Hlth, Trauma & Acute Care Surg, Lancaster, PA USA
[11] Beaumont Hosp, Dept Pharmaceut Serv, Royal Oak, MI USA
[12] Wayne State Univ, Dept Pharm Practice, Detroit, MI USA
[13] Univ Helsinki, Dept Urol, Helsinki, Finland
[14] Univ Helsinki, Dept Publ Hlth, Helsinki, Finland
[15] Helsinki Univ Hosp, Helsinki, Finland
[16] Univ Pittsburgh, Med Ctr, Dept Orthoped Surg, Pittsburgh, PA USA
[17] Univ Modena & Reggio Emilia, Dept Diagnost Clin & Publ Hlth Med, Modena, Italy
[18] McMaster Univ, Dept Med, Hamilton, ON, Canada
[19] McMaster Univ, Ctr Evidence Based Orthopaed, Div Orthopaed Surg, Hamilton, ON, Canada
[20] Pontificia Univ Catolica Chile, Dept Internal Med, Sch Med, Santiago, Chile
[21] Univ Andes, Sch Med, Bogota, Colombia
[22] Minneapolis VA Hlth Care Syst, Urol Sect, Minneapolis, MN USA
[23] Univ Minnesota, Dept Urol, Minneapolis, MN USA