Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Concurrent validity of an Estimator of Weekly Alcohol Consumption (EWAC) based on the Extended AUDIT
Multi-trait genome-wide association study of opioid addiction: OPRM1 and Beyond
Impact of COVID-19 Pandemic on Inpatient Rehabilitation and the Original Infection Control Measures for Rehabilitation Team
Double-blind, Randomized, Placebo-Controlled study to evaluate the Efficacy of an early treatment with Herbal Supplement based in the Prevention of Post-Traumatic Stress Disorder in emergency department (PHYTeS Study)
Evaluation of the Roche SARS-CoV-2 Rapid Antibody Test in samples from vaccinated individuals
Prognostic significance of WT1 expression level thershold in acute myeloid leukemia patients receiving hematopoietic stem cell transplantation: Meta-Analysis
A systematic review and meta-analysis on the safety and efficacy of tocilizumab in the management of COVID-19
Mean Vitamin D levels in 19 European Countries & COVID-19 Mortality over 10 months
Hypothyroidism does not lead to worse prognosis in COVID-19: findings from the Brazilian COVID-19 registry
Adherence to the CONSORT statement and risk of bias assessment in Randomized Controlled Trials in rehabilitation journals: a protocol for a meta-research study
Prevalence and Transmission of SARS-CoV-2 in Childcare Facilities: A Longitudinal Study
Analytical and Clinical Validation of an Amplicon-based Next Generation Sequencing Assay for Ultrasensitive Detection of Circulating Tumor DNA
Healthy dynamics of CD4 T cells may drive HIV resurgence in perinatally-infected infants on antiretroviral therapy
Correlation between leukocyte phenotypes and prognosis of amyotrophic lateral sclerosis: a longitudinal cohort study
Down-regulation of SARS-CoV-2 neutralizing antibodies in vaccinated smokers
A Phase II Study Repurposing Atomoxetine for Neuroprotection in Mild Cognitive Impairment
Adverse childhood experiences and resilience among adult women: a population-based study
Maximum likelihood perimetric progression analysis: Using raw (trial-by-trial) response data to estimate progression more robustly
Short-term acute exposure to wildfire smoke and lung function in a Royal Canadian Mounted Police (RCMP) cohort
Widening Disparities in Online Information Access during the COVID-19 Pandemic
Assessment of the fatality rate and transmissibility taking account of undetected cases during an unprecedented COVID-19 surge in Taiwan
Why is leptospirosis hard to avoid for the impoverished? Deconstructing leptospirosis transmission risk and the drivers of knowledge, attitudes, and practices in a disadvantaged community in Salvador, Brazil
Characteristics of Kenyan Women Enrolled in a Trial on Doxycycline Post-exposure Prophylaxis for Sexually Transmitted Infection Prevention
Understanding the impact of high-risk human papillomavirus on oropharyngeal squamous cell carcinomas in Taiwan: A retrospective cohort study
Identification and Mitigation of High-Risk Pregnancy with the Community Maternal Danger Score Mobile Application in Gboko, Nigeria
Coverage and Effectiveness of mRNA COVID-19 Vaccines among Veterans