Mamalakis, Antonios http://orcid.org/0000-0002-1731-7595
Yu, Jin-Yi http://orcid.org/0000-0001-6156-7623
Randerson, James T. http://orcid.org/0000-0001-6559-7387
AghaKouchak, Amir http://orcid.org/0000-0003-4689-8357
Foufoula-Georgiou, Efi http://orcid.org/0000-0003-1078-231X
Article History
Received: 20 August 2017
Accepted: 9 May 2018
First Online: 13 June 2018
Competing interests
: The authors declare no competing interests.