Affiliation: | 1. Department of Family and Community Medicine, Penn State Milton S. Hershey Medical Center, Penn State Hershey Medical Group, 121 Nyes Road, Suite A, Family Medicine Offices, Harrisburg, PA 17112, USA;2. Department of Family and Community Medicine, Penn State Milton S. Hershey Medical Center, 500 University Drive, Hershey, PA 17033, USA;3. Department of Orthopaedics and Rehabilitation, Penn State Milton S. Hershey Medical Center, 500 University Drive, Hershey, PA 17033, USA |