Development of a Composite Outcome Measure for Systemic Sclerosis Related Interstitial Lung Disease

Elizabeth R Volkmann^1*, Donald P Tashkin¹, Ning Li², Daniel E Furst¹, Philip J Clements¹ and Robert M Elashoff²

¹Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, USA

²Department of Biomathematics, University of California, Los Angeles, USA

^*Corresponding Author: Elizabeth R Volkmann, 1000 Veteran Avenue, Suite 32-59, Los Angeles, CA 90095, USA, Tel: 310-825-2448, Fax: 310-794-6553 Email: