Frequency and factors associated with hospital readmission after COVID-19 hospitalization: the importance of post-COVID diarrhea Maristela Pinheiro Freire; Maura Salaroli Oliveira; Marcello Mihailenko Chaves Magri; Bruno Melo Tavares; Igor Marinho; Ana Catharina De Seixas Santos Nastri; Geraldo Busatto Filho; Anna S. Levin;