Factors influencing healthcare workers’ compliance with personal protective equipment guidelines in long-term care during the COVID-19 pandemic—A theory-based mixed-methods study - Anna-Leena Lohiniva; Jaana Marija Lehtinen; Dinah Arifulla; Jukka Ollgren; Pekka Nuorti; Outi Lyytikäinen (PLoS ONE, 2025)