Tufts Medical Center, Boston, Massachusetts, United States
Penn Presbyterian Medical Center, Philadelphia, Pennsylvania, United States
Centro Hospitalar do Porto, Porto, Portugal
UPMC Department of Dermatology, Pittsburgh, Pennsylvania, United States
Dermatology Treatment and Research Center, PA, Dallas, Texas, United States
Renstar Medical Research, Ocala, Florida, United States
Worldwide Clinical Trials Early Phase Services, San Antonio, Texas, United States
Institute for Neurodegenerative Disorders, New Haven, Connecticut, United States
Collaborative Neuroscience Network, LLC, Long Beach, California, United States
Parkinson's Disease and Movement Disorders Center of Boca Raton, Boca Raton, Florida, United States