Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Sunshine on KOL : a retrospective study about financial ties between medical key opinion leaders and pharmaceutical industry in France
Individual-level and neighborhood-level factors associated with longitudinal changes in cardiometabolic measures in participants of a care coordination program
Early-life exposure to the Chinese famine of 1959-61 and type 2 diabetes in adulthood: a systematic review and meta-analysis
Estimating the population-level effects of Ontario's overdose prevention sites and consumption and treatment services: interrupted time series analysis with synthetic controls
The Relationship between Chronological Age, Dental Age, and Salivary Alkaline Phosphatase in Indonesian Children Aged 8-14 Years: A Cross-Sectional Study
Phenotyping of acute and persistent COVID-19 features in the outpatient setting: exploratory analysis of an international cross-sectional online survey
Evaluating Vaccine Efficacy Against SARS-CoV-2 Infection
Replicating extensive brain structural heterogeneity in individuals with schizophrenia and bipolar disorder
Wastewater surveillance for COVID-19 response at multiple geographic scales: Aligning wastewater and clinical results at the census-block level and addressing pervasiveness of qPCR non-detects
Uptake of SARS-CoV-2 workplace testing programs, March 2020 to March 2021
Angle-angle diagrams in the assessment of locomotion in persons with multiple sclerosis: A preliminary study
Understanding COVID-19 trajectories from a nationwide linked electronic health record cohort of 56 million people: phenotypes, severity, waves & vaccination
Trends, wealth inequalities and the role of the private sector in caesarean section in the Middle East and North Africa: a repeat cross-sectional analysis of population-based surveys
Relationship Between Depression, Prefrontal Creatine and Gray Matter Volume
Spatial Association of Respiratory Health with Social and Environmental Factors: Case Study of Cook County, IL
The World Mortality Dataset: Tracking excess mortality across countries during the COVID-19 pandemic
Polygenic risk for psychiatric disorder reveals distinct association profiles across social behaviour in the general population
Evaluating the effects of re-opening plans on dynamics of COVID-19 in SP
Sensitivity of the Elecsys Anti-SARS-CoV-2 immunoassay as an aid in determining previous exposure to SARS-CoV-2
Diagnostic performance of attenuated total reflection Fourier-transform infrared spectroscopy for detecting COVID-19 from routine nasopharyngeal swab samples
Adrenaline (epinephrine) compared to selective beta-2-agonist in adults or children with acute asthma: a systematic review and meta-analysis
Sharing positive changes made during COVID-19 national lockdown: a multi-method co-production study
Deficient butyrate-producing capacity in the gut microbiome of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome patients is associated with fatigue symptoms
Breast cancer risks associated with missense variants in breast cancer susceptibility genes
Prospective validation of host transcriptomic biomarkers for pulmonary tuberculosis by real-time PCR
Study on the usefulness of Direct Saliva sample Collection (DiSC) by polyester swab