Cover -- Guest editorial -- Procuring healthcare public privatepartnerships (PPPs) through unsolicited proposals during the COVID-19 pandemic -- Learning from supply disruptions caused by SARS-CoV-2: use of additive manufacturing as a resilient response for public procurement -- Strategic procurement collaboration for the common good: private and public procurement relationship during a pandemic -- A Kraljic and competitive rivalry perspective on hospital procurement during a pandemic (COVID-19): a Dutch case study
