1. Research Group of Operations Research and Decision Systems Laboratory on Engineering and Management Intelligence HUN‐REN Institute for Computer Science and Control (HUN‐REN SZTAKI) Kende street 13‐17 Budapest 1111 Hungary
2. Department of Operations Research and Actuarial Sciences Institute of Operations and Decision Sciences Corvinus University of Budapest (BCE) Fővám square 13‐15 Budapest 1093 Hungary
3. Department of Stochastics Institute of Mathematics Budapest University of Technology and Economics Műegyetem rkp. 3 Budapest 1111 Hungary
4. ELKH‐BME Stochastics Research Group Műegyetem rkp. 3 Budapest 1111 Hungary