O. Rolfson, Associate Professor, Department of Orthopeadics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
Ola Rolfson MD, PhD, Swedish Hip Arthroplasty Register, Centre of Registers Västra Götaland, SE-413 45 Gothenburg, Sweden, Email: firstname.lastname@example.org
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Received April 09, 2019
Accepted April 09, 2019