Prof. Dr. Grace Huimin GU, Deputy Dean Schoolof Tourism Management, Beijing International Studies University, Beijing, China
Email: bjguhuimin@sina.com

 
Prof. Dr. Hans Werner Hess
Hong Kong Baptist University, Hong Kong, SAR, China
Email: hwhess@hkbu.edu.hk

 
Prof. Dr. Cindy Riccardi
Università degli Studi di Trieste, Trieste, Italia
Email: riccardi@sslmit.univ.trieste.it

 
Prof. Dr. Clemens Zimmermann
Universität des Saarlands, Saarbrücken, Germany
Email: cl.zimmermann@mx.uni-saarland.de