AUTHOR=Lee Jaemu , Park Kyung Hye , Lee Sangmi Teresa TITLE=Analyzing the perception of happiness among Korean medical students using a concept mapping methodology: a cross-sectional study JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1476022 DOI=10.3389/fpubh.2025.1476022 ISSN=2296-2565