1. Department of Hotel Management and Culinary Creativity , Minghsin University of Science and Technology , Hsinchu 304, Taiwan
2. Regional Green Economy Development Research Center, School of Business , WUYI University , Nanping 354399 , China
3. Business School , Qingdao University , Qingdao 266061 , China
4. Newcastle Business School , The University of Newcastle , Hunter St & Auckland St, Newcastle 2300 , Australia
5. Business School , Huaqiao University , Quanzhou 362021 , China
6. University of Opole , ul. kard. B. Kominka 6, 45-032 Opole , Poland