Guo, Chao http://orcid.org/0000-0001-6121-5011
Pan, Yufeng http://orcid.org/0000-0002-1535-9716
Gong, Zhefeng http://orcid.org/0000-0003-1572-117X
Article History
Received: 10 October 2018
Accepted: 17 December 2018
First Online: 22 May 2019
Change Date: 8 June 2019
Change Type: Correction
Change Details: In the original publication the fifth line starting with “… with circa 1000, 1000 neurons?” in section Concluding Remarks and Perspectives is incorrectly published. The correct text should read “… with circa 100, 000 neurons?”
Conflict of interest
: All authors claim that there are no conflicts of interest.