TAKE-IT TOO is a prospective, 3-stage, sequential study using user-centered design techniques throughout. This entry describes Stage 1of TAKE-IT TOO. In Stage 1 we will conduct focus groups (FG) to gather data about the needs and preferences of stakeholders to inform adaptation of the Teen Adherence in Kidney transplant Effectiveness of Intervention Trial (TAKE-IT) intervention and features of a novel e-pillbox and adherence-tracking website. The protocols for Stages 2 and 3 will be submitted separately.