1. School of Maritime Economics & Management, Dalian Maritime University, Dalian, People’s Republic of China
2. Division of Engineering, New York University Abu Dhabi, Saadiyat Island, United Arab Emirates
3. Software College, Northeastern University, Shenyang, People’s Republic of China
4. School of Computer Science & Engineering, Northeastern University, Shenyang, People’s Republic of China
5. Department of Industrial Engineering, Tsinghua University, Beijing, People’s Republic of China
6. Department of Statistics, Feng Chia University, Taichung, Taiwan