Danila, M I
Westfall, A O
Raman, K
Chen, L
Reynolds, R J
Hughes, L B
Arnett, D K
McGwin, G
Szalai, A J
van der Heijde, D M
Conn, D
Callahan, L F
Moreland, L W
Bridges, S L Jr
Article History
Received: 24 March 2015
Revised: 22 May 2015
Accepted: 29 May 2015
First Online: 30 July 2015
Competing interests
: DM van der Heijde is Director of Imaging Rheumatology BV, The Netherlands. The remaining authors declare no conflict of interest.