Kim, Bongjae
Khmelevskyi, Sergii
Mazin, Igor I.
Agterberg, Daniel F.
Franchini, Cesare
Article History
Received: 6 February 2017
Revised: 1 June 2017
Accepted: 12 June 2017
First Online: 4 July 2017
Competing interests
: The authors declare no competing financial interests.