Correction

After publication of this article [1], we noted an error in the values of the “Initial WC” row of Table 1. The correct values are presented here (Table 1).

Table 1 Descriptive statistics of possible influencing factors of GPA in first year university students (%, Mean ± SD, n = 101), subdivided into students who passed (n = 52), failed (n = 22) or did not attend all final course exams (n = 27)