Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Associations of mitochondrial DNA copy number with incident risks of gastrointestinal cancers: a prospective case-cohort study
Collaborative Cohort of Cohorts for COVID-19 Research (C4R) Study: Study Design
The preparedness and response to COVID-19 in a quaternary Intensive Care Unit in Australia: perspectives and insights from frontline critical care clinicians
Cash transfers may increase the no-show rate for surgical patients in low-resource settings: A randomized trial
Pandemic-EBT and grab-and-go school Meals: Costs, reach, and benefits of two approaches to keep children fed during school closures due to COVID-19
Clinical subphenotypes in COVID-19: derivation, validation, prediction, temporal patterns, and interaction with social determinants of health
The Relative Importance of Mindfulness Facets and Their Interactions: Relations to Psychological Symptoms in Chronic Pain
Examining changes in sleep duration associated with the onset of the COVID-19 pandemic: Who is sleeping and who is not?
Mechanistic modeling-guided optimization of microneedle-based skin patch for rapid transdermal delivery of naloxone for opioid overdose treatment
Identification of eight novel variants across PAX3, SOX10, EDNRB and MITF genes in Waardenburg syndrome with next-generation sequencing
Development and Evaluation of a new Swiss Made SARS-CoV-2 antigen-detecting rapid test
Post-stroke executive function in relation to white matter damage on clinically acquired CT brain imaging
Association of Convalescent Plasma Treatment with Reduced Mortality and Improved Clinical Trajectory in Patients Hospitalized with COVID-19 in the Community Setting
Reproducibility of three-dimensional landmarking and Frankfort horizontal plane construction: a comparison of conventional and novel landmarks in presurgical computed tomography scans
Interventions designed to improve vaccination uptake: Scoping review of systematic reviews and meta-analyses - (version 1)
Introductions and evolutions of SARS-CoV-2 strains in Japan
Explant analysis of Utah electrode arrays implanted in human cortex for brain-computer-interfaces
Development and Initial Validation of the Duke Misophonia Questionnaire
Clinical utility of home versus hospital spirometry in fibrotic ILD: evaluation following INJUSTIS interim analysis
Medical brain drain from Western Balkan and Croatia to Germany and Austria: an approach to the digital demography
How did the COVID-19 pandemic affect access to condoms, chlamydia and HIV testing, and cervical cancer screening at a population level in Britain? (Natsal-COVID)
Replacement of the Gamma by the Delta variant in Brazil: impact of lineage displacement on the ongoing pandemic
Spatial Cluster Modeling of Rodent Infestations and Leptospirosis Risks in SE Asian Urban Areas
Serial interval and transmission dynamics during the SARS-CoV-2 Delta variant predominance in South Korea
The effect of long-term awareness on active and passive tobacco smokers.
Calibration of Two Validated SARS-CoV-2 Pseudovirus Neutralization Assays for COVID-19 Vaccine Evaluation