1. Laboratory of Inter‐Disciplinary Problems of Energy Production Ulyanovsk State Technical University 32 Severny Venetz st. Ulyanovsk 432027 Russia
2. Department of Medical Research China Medical University Hospital, China Medical University Taichung City 40402 Taiwan
3. Department of Mathematics University of Western Macedonia Kastoria 52100 Greece
4. Data Recovery Key Laboratory of Sichuan Province Neijiang Normal University Neijiang 641100 China
5. Deptartment of Civil Engineering, Section of Mathematics Democritus University of Thrace Xanthi 67100 Greece
6. General Department National & Kapodistrian University of Athens Euboea 34400 Psahna Greece