Feng, Lang
Li, Qiuzi
Cameron, Stephen D.
He, Kuang http://orcid.org/0000-0001-7798-4472
Colby, Robert
Walker, Katie M.
Deckman, Harry W.
Ertaş, Deniz
Article History
Received: 28 June 2019
Accepted: 28 November 2019
First Online: 3 February 2020
Competing interests
: We have a US patent application (US20180149020A1) on an engineering application of the concept disclosed here. We cited this patent application as a reference<sup>49</sup> with a one-sentence description in the manuscript. We do not believe this is a competing interest, but do want to disclose such information to ensure full transparency.