Acknowledgement
This special column was financially supported by the Project for Enhancing International Impact of China STM Journals 2013.
Guest Editors,
Xi F. XU
Professor, Beijing Jiaotong University, China
George STEFANOU
Assistant Professor, Aristotle University of Thessaloniki, Greece
Carsten PROPPE
Professor, Karlsruhe Institute of Technology, Germany
Executive Editor,
Yu Ching WU
Associate Professor, Tongji University, China
RIGHTS & PERMISSIONS
2014 Higher Education Press and Springer-Verlag Berlin Heidelberg