Report summary

For University of Michigan–ann Arbor Department of Epidemiology in 2021-2023, the graph shows 51 visible PIs and 107 internal PI collaborations. The main research signal is Medicine as the leading field (38% of slots across 38 PIs; 38 labels), Epidemiology as the leading subfield (8% of slots across 10 PIs; 10 labels), and COVID-19 epidemiological studies as the leading topic (3% of slots across 5 PIs; 5 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The most prominent PIs by weighted works are Bhramar Mukherjee (31.8 weighted works; COVID-19 Clinical Research Studies, COVID-19 epidemiological studies). The clearest collaboration lines are Sung Kyun Park and Bhramar Mukherjee (33 shared works, weight 18.1); Rafael Meza and Jihyoun Jeon (40 shared works, weight 16.1). The strongest breakdown groups are group 1 with 9 PIs, 11 internal connections, weight 56.4, around Molecular Biology, Endocrinology, Diabetes and Metabolism, Health, Toxicology and Mutagenesis, led by Bhramar Mukherjee, Sung Kyun Park, William H. Herman.