Health care expenditures and use are challenging to model because these dependent
variables typically have distributions that are skewed with a large mass at zero. In this article …

Eye Tracking in Second Language Acquisition and Bilingualism provides foundational
knowledge and hands-on advice for designing, conducting, and analysing eye-tracking …

Rationale Many countries were and are still struggling with the COVID-19 emergency.
Despite efforts to limit the viral transmission, the vaccine is the only solution to ending the …

This paper assesses different econometric approaches to working with count-based
outcome variables and other outcomes with similar distributions, which are increasingly …

Stay-at-home policies have been implemented worldwide to reduce the spread of the SARS-
CoV-2 virus. However, there is a growing concern that such policies could increase violence …

Aedes aegypti and A. albopictus mosquitoes are the main vectors for dengue virus (DENV)
and other arboviruses, including Zika virus (ZIKV). Understanding the factors that affect …

Background Long-term health sequelae of the Coronavirus Disease 2019 (COVID-19) are a
major public health concern. However, evidence on post-acute COVID-19 syndrome (post …

Visual-based social media are growing exponentially and have become an integrated part
of the customer engagement strategy of many brands. Prior work points to the textual …

Background Multimorbidity, the presence of two or more mental or physical chronic non-
communicable diseases, is a major challenge for the health system in China, which faces …

Municipal wastewater effluent has been proposed as one pathway for microplastics to enter
the aquatic environment. Here we present a broad study of municipal wastewater treatment …