Arora RC, Chatterjee S, Shake JG, Hirose H, Engelman DT, Rabin J, Firstenberg M, Moosdorf RGH, Geller CM, Hiebert B, Whitman GJ. Survey of Contemporary Cardiac Surgery Intensive Care Unit Models in the United States. Ann Thorac Surg. 2020 03; 109(3):702-710.