[1] Univ Copenhagen, Copenhagen, Denmark
[2] Glostrup Cty Hosp, Copenhagen, Denmark
[3] Danish Canc Soc, Res Ctr, Copenhagen, Denmark
[4] Glostrup Univ Hosp, Ctr Rheumatol & Spine Dis, DAN BIO, Glostrup, Denmark
[5] Univ Southern Denmark, Grasten, Denmark
[6] Univ Southern Denmark, Odense, Denmark
[7] Copenhagen Univ Gentofte, Hellerup, Denmark
[8] Silkeborg Reg Hosp, Silkeborg, Denmark
[9] Univ Southern Denmark, Vejle, Denmark
[10] Odense Univ Hosp, DK-5000 Odense, Denmark
[11] Vendsyssel Hosp, Hjorring, Denmark
[12] Aalborg Univ Hosp, Aalborg, Denmark
[13] Arhus Univ Hosp, Aarhus, Denmark
[14] Viborg Hosp, Viborg, Denmark
[15] Vejle Hosp, Vejle, Denmark
[16] Copenhagen Univ Hosp Glostrup, Copenhagen, Denmark
[17] Herlev Hosp, DK-2730 Herlev, Denmark