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First Author:
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| Bing Niu |
| Osaka Metropolitan University |
| niubing@omu.ac.jp |
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| 1-1 Gakuen-cho, Naka-ku |
| Sakai, 5998531, Japan |
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| +81-72-254-9568(Phone) |
| +81-72-254-9568(Fax) |
| https://www.upc-osaka.ac.jp |
Second Author:
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| Lingling Zhang |
| University of Massachusetts Boston |
| Lingling.Zhang@umb.edu |
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Third Author:
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| Shigeki Kano |
| Osaka Metropolitan University |
| kano.econ@omu.ac.jp |
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