- Correspondence to Dr Robert F LaPrade, Chief Medical Officer, Steadman Philippon Research Institute, The Steadman Clinic, 181 West Meadow Drive, Suite 400, Vail, Colorado 81657, USA;
- Received April 19, 2017
- Revised May 18, 2017
- Accepted May 22, 2017
- First published June 23, 2017.
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