Patrick M Foye1, Gerard J D'Onofrio2. 1. Department of Physical Medicine and Rehabilitation, Coccyx Pain Center, Rutgers New Jersey Medical School, 90 Bergen St, D.O.C. Suite 3100, Newark, NJ, 07103-2425, USA. doctor.foye@gmail.com. 2. Department of Physical Medicine and Rehabilitation, Coccyx Pain Center, Rutgers New Jersey Medical School, 90 Bergen St, D.O.C. Suite 3100, Newark, NJ, 07103-2425, USA.