**A. Appendix**

#### **Figure A1.**

*Trends in the country-specific economic level (GDP) and SCI components (service capacity and access). Note: UHC, universal health coverage; SCI, service coverage index [21].*

#### **Figure A2.** *The UHC service coverage index (SCI): Summary of tracer indicators and computation [4].*

#### **Figure A3.**

*Overview of the regimen used (images). In this study, rituximab was administered four times every 6 months. For the first 6 months after the first dose of rituximab, the dosage of prednisolone and cyclosporine was reduced each month and stopped [41].*
