Efetov, D. K.
Wang, L.
Handschin, C.
Efetov, K. B.
Shuang, J.
Cava, R.
Taniguchi, T.
Watanabe, K. http://orcid.org/0000-0003-3701-8119
Hone, J.
Dean, C. R.
Kim, P.
Article History
Received: 28 April 2015
Accepted: 5 November 2015
First Online: 7 December 2015
Competing interests
: The authors declare no competing financial interests.