1. From the Department of Medicine (Dermatology), Vanderbilt University School of Medicine (J-DF), Nashville, Tennessee, National Epidermolysis Bullosa Registry (J-DF, LBJ, MW, AS, SC, JDL, DTD), and Departments of Epidemiology (JDF), Public Health Nursing (LBJ), Dermatology (LBJ, MW, AS, SC, JDL) and Biostatistics (CS), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina