Personal protective equipment for healthcare workers during COVID-19: Developing and applying a questionnaire and assessing associations between infection rates and shortages across 19 countries

Kroneman, Madelon; Williams, Gemma A.; Winkelmann, Juliane; Spreeuwenberg, Peter; Davidovics, Krisztina [Davidovics, Krisztina (Jogtudomány), szerző] Egészségügyi Menedzserképző Központ (SE / EKK); Groenewegen, Peter P. ✉