Khan, Ubaid
Zhinong, Yu
Khan, Abbas Ahmad
Zulfiqar, Almas
Ullah, Naeem
Funding for this research was provided by:
National Natural Science Foundation of China-Yunnan Joint Fund (61675024, 61874009)
Article History
Received: 4 January 2019
Accepted: 12 March 2019
First Online: 2 April 2019
Competing Interests
: The authors declare that they have no competing interests.
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