Carragher, Neil
Piccinini, Filippo
Tesei, Anna
Jr, O. Joseph Trask
Bickle, Marc
Horvath, Peter
Article History
First Online: 6 July 2018
Competing interests
: P.H. is the founder and shareholder of Single-Cell Technologies. J.T. is employed by PerkinElmer. Single-Cell Technologies and PerkinElmer were not directly involved in the writing of the manuscript. This does not alter the author's adherence to all the Nature policies on sharing data and materials.