Received: 16 March 2018
Revised: 14 June 2018
Accepted: 25 June 2018
First Online: 11 July 2018
: The animal study was approved by the Institutional Animal Care and Use Committee and performed in accordance with the Animal Experimentation Policy.
: Not applicable.
: BSC and YWY are founders and stockholders of ExoCoBio Inc. All authors are employees of ExoCoBio Inc.
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