The localized scleroderma skin severity index and physician global assessment of disease activity: A work in progress toward development of localized scleroderma outcome measures

Thaschawee Arkachaisri, Soamarat Vilaiyuk, Suzanne Li, Kathleen M. O'Neil, Elena Pope, Gloria C. Higgins, Marilynn Punaro, Egla C. Rabinovich, Margalit Rosenkranz, Daniel A. Kietz, Paul Rosen, Steven J. Spalding, Teresa R. Hennon, Kathryn S. Torok, Elaine Cassidy, Thomas A. Medsger