Correction: Aerobic Capacity, Physical Activity and Metabolic Risk Factors in Firefighters Compared with Police Officers and Sedentary Clerks.

There are errors in the third sentence of the Results section of the Abstract. The correct sentence is: The average physical activity (in metabolic equivalents [METS]/week) of the FFs was 3953±2688, whereas those of the POs was 2838±2872 (vs. FFs: -985, CI: -1941-30, p = 0.043) and of the SCs 2212±2293 (vs. FFs: -1598.8, CI: -2477-721, p = 0.000; vs. POs: -613.6, CI: -1617.4–390.3, p = 0.229), respectively.