Ma, Qiong
Andersen, Trond I.
Nair, Nityan L.
Gabor, Nathaniel M.
Massicotte, Mathieu
Lui, Chun Hung
Young, Andrea F.
Fang, Wenjing
Watanabe, Kenji http://orcid.org/0000-0003-3701-8119
Taniguchi, Takashi
Kong, Jing
Gedik, Nuh http://orcid.org/0000-0002-6394-4987
Koppens, Frank H. L.
Jarillo-Herrero, Pablo
Article History
Received: 1 September 2015
Accepted: 24 November 2015
First Online: 18 January 2016
Competing interests
: The authors declare no competing financial interests.