The Effect of the COVID-19 Pandemic on Hip and Knee Arthroplasty Patients in the United States: A Multicenter Update to the Previous Survey oleh Timothy S. Brown, MD, Nicholas A. Bedard, MD, Edward O. Rojas, MD, Christopher A. Anthony, MD, Ran Schwarzkopf, MD, Jeffrey B. Stambough, MD, Sumon Nandi, MD, MBA, Hernan Prieto, MD, Javad Parvizi, MD, FRCS, Stefano A. Bini, MD, Carlos A. Higuera, MD, Nicholas S. Piuzzi, MD, Michael Blankstein, MD, Samuel S. Wellman, MD, Matthew J. Dietz, MD, Jason M. Jennings, MD, Vinod Dasa, MD