Retraction: Grosskopf, K. R., and Herstein, K. (2013). “Airflow and Door Position: A Case Study on Aerosol Dispersion within a General Patient and Airborne Infectious Isolation Room.” <i>J. Archit. Eng.</i>, 10.1061/(ASCE)AE.1943-5568.0000120 (Jan. 12, 2013)