Details of this study are now available in Arthritis & Rheumatism<%20http:/onlinelibrary.wiley.com/journal/10.1002/(ISSN)1529-0131>, a journal published by Wiley-Blackwell on behalf of the American College of Rheumatology (ACR).Systemic sclerosis, also known as scleroderma, is a connective tissue disease which is characterized by sclerodermatous (hardening of tissue due to increased collagen depos