TEMPO STUDY INVESTIGATORS
The TEMPO study investigators, in addition to the authors of this article, are as follows: H. D. Bolosiu (Cluj-Napoca, Romania), P. Bourgeois (Paris, France), J. Cunha Branco (Lisbon, Portugal), J. Braun (Herne, Germany), J. Broell (Wien, Austria), J. Brzezicki (Elblag, Poland), G. Burmester (Berlin, Germany), B. Canesi (Milan, Italy), X. Chevalier (Creteil, France), H. Chwalinska-Sadowska (Warsaw, Poland), L. Cleland (Adelaide, Australia), F. Radulescu (Bucharest, Romania), L. Coster (Linkoping, Sweden), M. Cutolo (Genoa, Italy), R. Dahl (Uppsala, Sweden), P. Dawes (Burslem Stoke-on-Trent, UK), J. Dehais (Bordeaux, France), D. J. de Rooij (Nijmegen, The Netherlands), D. Doyle (London, UK), L. Euller-Ziegler (Nice, France), F. Fantini (Milan, Italy), G. Ferraccioli (Udine, Italy), A. Filipowicz-Sosnowska (Warsaw, Poland), S. Freiseleben-Sorensen (Copenhagen, Denmark), P. Geusens (Diepenbeek, Belgium), J. Melo-Gomes (Lisbon, Portugal), J. J. Gómez Reino (Santiago de Compostela, Spain), A. Gough (North Yorkshire, UK), J. P. de Jager (Southport, Australia), M. Janssen (Arnhem, The Netherlands), H. Julkunen (Vantaa, Finland), R. Juvin (Grenoble, France), H. Haentzschel (Leipzig, Germany), W. Hissink-Muller (Tilburg, The Netherlands), J. Kalden (Erlangen, Germany), C. Kaufmann (Drammen, Norway), J. Kekow (Vogelsang, Germany), A. Harju (Stockholm, Sweden), T. Kvien (Oslo, Norway), A. Laffón (Madrid, Spain), H. Lang (Plauen, Germany), P. Lanting (Doetinchem, The Netherlands), X. LeLoet (Rouen, France), B. Lindell (Kalmar, Sweden), F. Liote (Paris, France), R. Luukkainen (Satalinna, Finland), M. Malaise (Liege, Belgium), X. Mariette (Le Kremlin Bicetre, France), E. Martín Mola (Madrid, Spain), B. Masek (Venlo, The Netherlands), Z. Mencel (Kalisz, Poland), O. Meyer (Paris, France), C. Montecucco (Pavia, Italy), R. Myllykangas-Luosujarvi (Kuopio, Finland), H. Nielsen (Herlev, Denmark), G. Papadimitriou (Athens, Greece), K. Pavelka (Prague, Czech Republic), A. Perniok (Cologne, Germany), V. Rodriguez Valverde (Santander, Spain), A. Rubinow (Jerusalem, Israel), P. Sambrook (St. Leonards, Australia), R. Sanmartí (Barcelona, Spain), J. Sany (Montpellier, France), A. Saraux (Brest, France), M. Schattenkirchner (Munich, Germany), U. Serni (Florence, Italy), L. Settas (Thessaloniki, Greece), J. Sibilia (Strasbourg, France), H. Stehlikova (Ceska Lipa, Czech Republic), J. Szechinski (Wroclaw, Poland), J. Szerla (Krakow, Poland), C. Tanasescu (Bucharest, Romania), H. Tony (Wurzburg, Germany), J. Tornero-Molina (Guadalajara, Spain), S. Transo (Jonkoping, Sweden), F. Trotta (Ferrara, Italy), T. Tuomiranta (Tampere, Finland), E. Veys (Ghent, Belgium), H. Van den Brink (Alkmaar, The Netherlands), M. Van de Laar (Enschede, The Netherlands), P. Vitek (Zlin, Czech Republic), R. Westhovens (Leuven, Belgium).
The evaluators of the radiographic images were A. van Everdingen, Deventer, The Netherlands, and T. H. M. Schoonbrood, Rheumatology Department, University Hospital, Maastricht, The Netherlands. D. van der Heijde, Maastricht, The Netherlands, assisted as a consultant in the radiographic methodology applied in this study.