Funding for this research was provided by:
Program for New Century Excellent Talents in University (NCET-12-0098)
Chongqing BOE Optoelectronics (CQ1610-PM-IP-001)
Text and Data Mining valid from 2018-05-29
Received: 8 April 2018
Accepted: 8 May 2018
First Online: 29 May 2018
: The authors declare that they have no competing interests.
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