Additional file1: Fig. S1. Study Design. Fig. S2. A Duration of response, B overall survival, and C progression-free survival by cytogenetic risk. Fig. S3. Relationship of duration of response with A sBCMA, B transgene persistence, and C antidrug antibodies. Table S1. Best response by subgroup. Table S2. Best response by prior therapy. Table S3. sBCMA levels. Table S4. sBCMA levels by response. Table S5. Transgene persistence by lymphodepletion regimen, PD, and ADA. Table S6. Immunoglobulin recovery over time.