Arianna L Gianakos, Department of Orthopedic Surgery, 2nd Jersey City Medical Center, Jersey City, NJ 07302, United States
Arianna L Gianakos, Youichi Yasui, Charles P Hannon, John G Kennedy, Department of Foot and Ankle, Hospital for Special Surgery, New York, NY 10021, United States
Youichi Yasui, Department of Orthopaedic Surgery, 2nd Teikyo University School of Medicine, Tokyo 173-8606, Japan
Charles P Hannon, 2nd Department of Orthopaedic Surgery, Rush University Medical Center (C.P.H.), Chicago, IL 60612, United States
Author contributions: All authors equally contributed to this paper with conception and design of the study, literature review and analysis, drafting and critical revision and editing, and final approval of the final version.
Conflict-of-interest statement: Kennedy JG is a consultant for Arteriocyte, Inc.; Kennedy JG has received research support from the Ohnell Family Foundation, Mr. and Mrs. Michael J Levitt, and Arteriocyte Inc.; Kennedy JG is a board member for the European Society of Sports Traumatology, Knee Surgery, and Arthroscopy, International Society for Cartilage Repair of the Ankle, American Orthopaedic Foot and Ankle Society Awards and Scholarships Committee, International Cartilage Repair Society finance board.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: John G Kennedy, MD, MCh, MMSc, FRCS (Orth), Department of Foot and Ankle, Hospital for Special Surgery, 523 East 72nd Street, Suite 507, New York, NY 10021, United States. email@example.com
Telephone: +1-646-7978880 Fax: +1-646-797896
Received: June 16, 2016
Peer-review started: June 17, 2016
First decision: July 27, 2016
Revised: September 12, 2016
Accepted: October 17, 2016
Article in press: October 18, 2016
Published online: January 18, 2017