Rotator Cuff Tear

• Joint & Spine Center, SMG-SNU Boramae Medical Center, Department of Orthopedic Surgery, Seoul National University College of Medicine — Seoul, South Korea

• Chuncheon Sacred Heart Hospital — Chuncheon, Gangwon-do, South Korea

• Washington University School of Medicine - Department of Orthopedics — St Louis, Missouri, United States

• Joint and Spine Center; SMG-SNU Boramae Medical Center — Seoul, South Korea

• McMaster University — Hamilton, Ontario, Canada
• Hamilton General Hospital — Hamilton, Ontario, Canada
• McMaster Hospital — Hamilton, Ontario, Canada

• University clinic of orthopeadics Linkoeping — Linköping, Östergötland County, Sweden

• Samsung Medical Center — Seoul, South Korea

• Samsung Medical Center — Seoul, South Korea

Not specified

• VA Maryland Health Care System, Baltimore — Baltimore, Maryland, United States