European multicentre study to define disease activity criteria for systemic sclerosis. II. Identification of disease activity variables and development of preliminary activity indexes

2001

BRUHLMANN, P

VALENTINI, G

DELLA ROSSA, A

BOMBARDIERI, S

BENCIVELLI, W

SILMAN, AJ

D'ANGELO, S

CERINIC, MM

BELCH, JF

BLACK, CM

CZIRJAK, L

DE LUCA, A

DROSOS, AA

FERRI, C

GABRIELLI, A

GIACOMELLI, R

HAYEM, G

MCHUGH, NJ

NIELSEN, H

ROSADA, M

SCORZA, R

STORK, J

SYSA, A

VAN DEN HOOGEN, FHJ

VLACHOYIANNOPOULOS, PJ

Inanc, Murat

Objective-To develop criteria for disease activity in systemic sclerosis (SSc) that are valid, reliable, and easy to use.