1. Department of Business Administration, National Changhua University of Education, Changhua 500, Taiwan, R.O.C.,
2. Medical Divisions of Performance Center, Changhua Christian Hospital, Changhua 500, Taiwan, R.O.C.,
3. Neurosurgery Department, Changhua Christian Hospital, Changhua 500, Taiwan, R.O.C.,
4. Department of Business Administration, National Changhua University of Education, Changhua 500, Taiwan, R.O.C.
5. Department of M-commerce and Multimedia Applications, Asia University, Taichung City 413, Taiwan, R.O.C.