Li, Hua
Eishingdrelo, Alex
Kongsamut, Sathapana
Eishingdrelo, Haifeng
Article History
Received: 16 May 2016
Revised: 12 August 2016
Accepted: 4 September 2016
First Online: 30 September 2016
Competing interests
: HE has a commercial interest in the patented LinkLight technology. The remaining authors declare no conflict of interest.