Article Type All Original Research Original Research in Medicine Systematic Review Methods Protocols Technology Report Review Reviews in Medicine Mini Review Policy and Practice Reviews Hypothesis and Theory Perspective Clinical Trial Clinical Study Protocol CPC Case Report Community Case Study Conceptual Analysis Classification Evaluation Empirical Study Curriculum, Instruction, and Pedagogy Data Report Code Policy Brief Brief Research Report General Commentary Opinion Book Review Erratum Correction Core Concept New Discovery Editorial Specialty Grand Challenge Retraction Research Snapshot Technology and Code Study Protocol Highlights Frontiers Commentary Focused Review Field Grand Challenge Publication Date Go