Khan, Noor Saeed http://orcid.org/0000-0003-0991-7846
Kumam, Poom http://orcid.org/0000-0002-5463-4581
Thounthong, Phatiphat
Article History
Received: 16 July 2019
Accepted: 6 January 2020
First Online: 27 January 2020
Competing interests
: The authors declare no competing interests.