Submitted on: 20 June 2014.
Revised on: 07 August 2014.
Accepted on: 24 September 2014.
___________________EJSO---ELSEVIER SCI LTD
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Submitted on: 05 February 2019.
Revised on: 08 April 2019.
Accepted on: 07 June 2019.
___________________EJSO---ELSEVIER SCI LTD
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http://reply.papertrans.cn/1/82/8161/8161-25.png
Submitted on: 09 May 1999.
Revised on: 11 June 1999.
Accepted on: 05 July 1999.
___________________EJSO---ELSEVIER SCI LTD
http://reply.papertrans.cn/1/82/8161/8161-27.png
http://reply.papertrans.cn/1/82/8161/8161-28.png
Submitted on: 07 September 2018.
Revised on: 27 November 2018.
Accepted on: 28 December 2018.
___________________EJSO---ELSEVIER SCI LTD
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