Hernando Eye Institute, Brooksville, Florida, United States
Heart of America Eye, Shawnee Mission, Kansas, United States
Kennar Eye Care, Pittsburg, Kansas, United States
Eye Research Foundation, Newport Beach, California, United States
Danbury Eye Physicians and Surgeons, Danbury, Connecticut, United States
Sarasota Retina Institute, Sarasota, Florida, United States
Neuro Pain Medical Center, Fresno, California, United States
Neuro-Medic, Katowice, Poland
"MEDYK" Stanislaw Mazur Sp. z o.o. (LLC) Medical Centre, Rzeszów, Poland
Neurology Center Krzysztof Selmaj, Łódź, Poland
Advance Medical Pain Management & Research Clinic, Miami, Florida, United States
Meridien Research, Tampa, Florida, United States
Osmotica Study Site-555, Tonnel'nyy, Russian Federation
Osmotica Study Site-161, Plainview, New York, United States
Osmotica Study Site-155, Raleigh, North Carolina, United States
Osmotica Study Site-127, Pittsburgh, Pennsylvania, United States
Osmotica Study Site-129, Seattle, Washington, United States
Osmotica Study Site-131, Cincinnati, Ohio, United States