1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Jen-Ai Hospital at Dali district, Taichung, Taiwan
2. Department of Marketing, National Chung Hsing University, Taichung, Taiwan
3. Department of Applied Economics, Maejo University, Chiang Mai, Thailand
4. International Master Program of Agriculture, National Chung Hsing University, Taichung, Taiwan
5. Department of Forestry, National Chung Hsing University, Taichung, Taiwan