,
Article History
Received: 20 July 2017
Accepted: 20 September 2017
First Online: 22 November 2017
Change Date: 14 February 2018
Change Type: Erratum
Change Details: Change history: Please see accompanying Erratum (ExternalRef removed). In this Letter, ‘HERA’ was wrongly expanded to ‘Hydrogen Epoch of Reionization Array’ instead of ‘Hadron-Electron Ring Accelerator’ on page 597. In addition, some author affiliations were wrongly assigned. The original Letter has been corrected online.
Competing interests
: The author declare no competing financial interests.