1. Harvard Medical School, Boston, MA 02115, USA
2. University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
3. Department of Orthopedic Surgery, Boston Children’s Hospital, Boston, MA 02115, USA
4. Mongan Institute, Massachusetts General Hospital, Boston, MA 02114, USA
5. Division of Palliative Care and Geriatric Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
6. Department of Physical Medicine and Rehabilitation, Mass General Brigham, Boston, MA 02114, USA
7. Spaulding Rehabilitation Hospital, Charlestown, MA 02129, USA