Statistical errors and systematic biases in the calibration of the convective core overshooting with eclipsing binaries - A case study: TZ FornacisG. Valle, M. Dell’Omodarme, P. G. Prada Moroni and S. Degl’InnocentiA&A, 600 (2017) A41DOI: https://doi.org/10.1051/0004-6361/201628240