Field, Erin K
Sczyrba, Alexander
Lyman, Audrey E
Harris, Christopher C
Woyke, Tanja
Stepanauskas, Ramunas
Emerson, David
Article History
Received: 3 February 2014
Revised: 18 August 2014
Accepted: 25 August 2014
First Online: 10 October 2014
Competing interests
: The authors declare no conflict of interest.