[1
]
Integrated Pain Solutions, Columbus, Ohio.
[2
]
MossRehab, Elkins Park, Pennsylvania.
[3
]
University of California, San Diego, La Jolla, California.
[4
]
Neurovations Clinical Research, Napa, California.
[5
]
Carolinas Pain Institute, The Center for Clinical Research, Winston-Salem, North Carolina.
[6
]
Center for Interventional Pain and Spine, LLC, Newark, Delaware.
[7
]
‖|Surrozen Inc, South San Francisco, California; **Jazz Pharmaceuticals, Palo Alto,
California; ††Grail Inc, Menlo Park, California.
[8
]
The Spine and Nerve Center of the Virginias, Charleston, West Virginia, USA.