1. University of California at Los Angeles; Abteilung Handchirurgie Inselspital, Bern, Switzerland
2. Department of Orthopaedic Surgery, University of California at Los Angeles, School of Medicine, Los Angeles, California
3. University of California at Los Angeles, School of Medicine, Los Angeles, California
4. Department of Orthopaedic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin
5. THM Biomedical, Inc., Duluth, Minnesota