Dilatation, Pathologic

• Schwartz Laser Eye Center — Scottsdale, Arizona, United States
• Clear View Eye & Laser Medical Center — San Diego, California, United States
• The Center for Excellence in Eye Care — Miami, Florida, United States
• TLC Laser Eye Center — Rockville, Maryland, United States

• Sussex Eye Hospital — Brighton, East Sussex, United Kingdom

• Sahlgrenska University Hospital — Gothenburg, Sweden

Not specified

• University of North Carolina, Chapel Hill — Chapel Hill, North Carolina, United States

• Instituto de Olhos de Goiânia — Goiânia, Goiás, Brazil

• Precision Trials — Phoenix, Arizona, United States
• Borland-Groover Clinic — Jacksonville, Florida, United States
• University of Louisville — Louisville, Kentucky, United States
• Medical Research Institute, Inc. — Slidell, Louisiana, United States

Not specified

• Woolfson Eye Institute — Atlanta, Georgia, United States

• Gynaecological Department, Ullevål University Hospital — Oslo, Norway