One-year impact of COVID-19 pandemic on renal replacement therapy and kidney transplantation in a tertiary center in Southern Brazil oleh Pedro do Valle Teichmann, Marina Oliboni Moschetta, Rodrigo Fontanive Franco, Alessandra Rosa Vicari, Gérson Luiz da Silva Nunes, Maria Angela Kalil Nader Lazzaretti, Miriam Gressler Gomes, Silvia Maria Dorigoni, Paulo Roberto Dall’Agnol, Adriana Klafke, Fernando Saldanha Thomé, Fabio Spuldaro, Homero Agra, Rafael de Almeida, Darlan Martins Lara, Andrea Carla Bauer, Cristina Karhol, Roberto Ceratti Manfro