1 Erratum to: Soft Comput DOI 10.1007/s00500-014-1305-x

The two authors’ names “Mohammadhosein Ghasemi Baboly” and “Zayd Leseman” in the author group were wrongly published in the original publication. The correct author group is given below:

Mansour Aminian \(\cdot \) Reza Teimouri