Simultaneously Dealing With Immortal Time Bias and Residual Confounding: A Case Study of a High‐Dimensional Propensity Score Approach With a Nested Case–Control Framework in Multiple Sclerosis Research

• Md. Belal HossainUniversity of British Columbia
• Huah Shin NgFlinders University
• Feng ZhuUniversity of British Columbia
• Helen L. TremlettUniversity of British Columbia
• Mohammad Ehsanul KarimUniversity of British Columbia