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This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticle by Dosung Kim 1, Jang-Chul Kim 2, Qing Su 2 and Sung-Kwan Joo 1,* 1 The School of Electrical Engineering, Korea University, Seoul 02841, Republic of Korea 2 Department of Accounting, Economics, and Finance, Haile College of Business, Northern Kentucky University, Highland Heights, KY 41099, USA * Author to whom correspondence should be addressed.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.