Kawahara, Tsuneo
Sasho, Takahisa
Ohnishi, Takashi
Haneishi, Hideaki
Article History
Received: 29 June 2018
Accepted: 9 January 2019
First Online: 22 January 2019
Ethics approval and consent to participate
: The OAI study was approved by institutional review boards at each OAI clinical site and the coordinating center: Memorial Hospital of Rhode Island Institutional Review Board, The Ohio State University’s Biomedical Sciences Institutional Review Board, University of Pittsburgh Institutional Review Board, University of Maryland Baltimore – Institutional Review Board, and Committee on Human Research at University of California, San Francisco. All participants provided written informed consent to participate in the OAI study.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.