Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Collecting genetic samples and linked mental health data from adolescents in schools: Protocol co-production and a mixed-methods pilot of feasibility and acceptability
Grandparental Childcare During the Pandemic and Effects on Mental Health: Evidence From England
Clinical presentation, disease course and outcome of COVID-19 in hospitalized patients with and without pre-existing cardiac disease: a cohort study across sixteen countries
Post-acute COVID-19 syndrome and its prolonged effects: An updated systematic review
Reduction in postoperative opioid requirement associated with use of the NSS-2(R) Bridge device, a disposable auriculo-nerve field stimulator, and factors affecting the response in cancer patients undergoing abdominal surgical procedures
Assessing performance and clinical usefulness in prediction models with survival outcomes: practical guidance for Cox proportional hazards models
Polygenic coronary artery disease association with brain atrophy in the cognitively impaired
Microbial Sharing between Pediatric Patients and Therapy Animals during Hospital Animal-Assisted Intervention Programs
Spatial-temporal and phylogenetic analyses of epidemiologic data to help understand the modes of transmission of endemic typhoid fever in Samoa
The adverse impact of COVID-19 pandemic on cardiovascular disease prevention and management in England, Scotland and Wales: A population-scale descriptive analysis of trends in medication data
Identifying functional genes and pathways towards a unifying model for atrial fibrillation
SPEEDS: A Portable Serological Testing Platform for Rapid Electrochemical Detection of SARS-CoV-2 Antibodies
Heterozygous PRKN mutations are common but do not increase the risk of Parkinson's disease
Quality control and removal of technical variation of NMR metabolic biomarker data in ~120,000 UK Biobank participants
Knowledge, Attitude and Practices towards COVID 19 pandemic among homeless street young adults in Lusaka, Zambia: A Mixed Methods Approach
Prediction of Uterine Dehiscence via Machine Learning by Using Lower Uterine Segment Thickness and Clinical Features
Spatio-temporal analysis and prediction of malaria cases using remote sensing meteorological data in Diebougou health district, Burkina Faso, 2016-2017
Widening Disparities in Online Information Access during the COVID-19 Pandemic
Development and performance evaluation of a low-cost in-house rRT-PCR assay in Ecuador for the detection of SARS-CoV-2
A Real World Evaluation of the safety and immunogenicity of the Covishield vaccine, ChAdOx1 nCoV- 19 Corona Virus Vaccine (Recombinant) in Health Care Workers (HCW) in National Capital Region (NCR) of India: A preliminary report
Human Leukocyte Antigen-C and Haplotypes: Associations with Resistance and Susceptibility to HIV-1 Infection among Serodiscordant Couples in Nigeria
Robustness and bias of European excess death estimates in 2020 under varying model specifications
Oral health and its association with self-rated health in Colombian community-dwelling older adults
The Humoral Response to the BNT162b2 Vaccine in Hemodialysis Patients
Effect of Umbilical Cord Milking on Severity of Hypoxic Ischemic Encephalopathy in Asphyxiated Neonates A Pilot study
The Value of Self-Reported Cognitive Performance in low, medium and high EDSS