[1] Hop Cavale Blanche, Univ Hosp, Rheumatol Unit, Brest, France
[2] Univ Brasilia, Unidade Reumatol, Brasilia, Brazil
[3] Univ Brasilia, Fac Med, Programa Posgrad Ciencias Med, Brasilia, Brazil
[4] McMaster Univ, Div Rheumatol, Hamilton, ON, Canada
[5] Weill Cornell Med, Dept Med, Hosp Special Surg, New York, NY USA
[6] Matsubara Mayflower Hosp, Dept Orthopaed Surg, Kato, Japan
[7] Harris Poll, Chicago, IL USA
[8] Arthrit Consumer Experts, Vancouver, BC, Canada
[9] Pfizer Inc, New York, NY USA
[10] Pfizer France, 23-25 Ave Dr Lannelongue, F-75668 Paris, France