Reducing the fine-tuning of gauge-mediated SUSY breaking J. Alberto Casas, Jesús M. Moreno, Sandra Robles and Krzysztof Rolbiecki Eur. Phys. J. C, 76 8 (2016) 450 Published online: 11 August 2016 DOI: 10.1140/epjc/s10052-016-4305-4