What prompts clinicians to start antibiotic treatment in COVID-19 patients? An Italian web survey helps us to understand where the doubts lie. (September 2021) - Colaneri, Marta; Valsecchi, Pietro; Vecchia, Marco; Di Filippo, Alessandro; Zuccaro, Valentina; Seminari, Elena; Sacchi, Paolo; Maiocchi, Laura; Fabbiani, Massimiliano; Ricciardi, Alessandra; Muzzi, Alba; Bruno, Raffaele