Integrated, multicohort analysis of systemic sclerosis identifies robust transcriptional signature of disease severity. JCI insight Lofgren, S., Hinchcliff, M., Carns, M., Wood, T., Aren, K., Arroyo, E., Cheung, P., Kuo, A., Valenzuela, A., Haemel, A., Wolters, P. J., Gordon, J., Spiera, R., Assassi, S., Boin, F., Chung, L., Fiorentino, D., Utz, P. J., Whitfield, M. L., Khatri, P. 2016; 1 (21)