CC BY 4.0 · J Knee Surg 2019; 32(11): e2
DOI: 10.1055/s-0039-3402742
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Erratum to: A Randomized Controlled Single-Blind Study Demonstrating Superiority of Amniotic Suspension Allograft Injection over Hyaluronic Acid and Saline Control for Modification of Knee Osteoarthritis Symptoms

Jack Farr
1   Knee Preservation and Cartilage Restoration Center, OrthoIndy, Indianapolis, Indiana
Andreas H. Gomoll
2   Department of Orthopaedic Surgery, Hospital for Special Surgery, New York
Adam B. Yanke
3   Section of Cartilage Restoration and Sports Medicine, Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois
Eric J. Strauss
4   Department of Orthopaedic Surgery, NYU Langone Medical Center, New York
5   Department of Research and Development, Organogenesis Inc., Birmingham, Alabama
ASA Study Group › Institutsangaben
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06. Januar 2020 (online)

It has been brought to the publisher's attention that the above article was published online under the incorrect open access license category (CC BY-NC ND) in The Journal of Knee Surgery, Volume 32, Number 11 (DOI: 10.1055/s-0039-1696672). The correct license is “CC BY.”

* For details of the ASA Study Group members, please refer the Acknowledgments section provided in the original article.