1. Department of Orthopedic Surgery Samaritan Health System Corvallis Oregon USA
2. Department of Public Health Sciences UC Davis School of Medicine Sacramento California USA
3. Department of Internal Medicine UC Davis School of Medicine Sacramento California USA
4. Department of Orthopaedic Surgery UC Davis School of Medicine Sacramento California USA
5. Department of Orthopaedic Surgery University of Utah Salt Lake City Utah USA
6. Department of Nursing and Palliative Care City of Hope Duarte California USA