With a goal to continue advancing research to broaden our knowledge and practice of evidence-based care that leads to data-driven treatments and innovations, this research study seeks to understand precision dosing of mental health medications to provide the right medicine at the right time for every child. Knowing how critical time is and understanding there is no one-size-fits-all treatment for depression, this research dives in to address the leading question of why some medications work for some and not for others.