Connective Tissue Diseases

• Study Site 37505 — Homyel, Belarus
• Study Site 37501 — Minsk, Belarus
• Study Site 37502 — Minsk, Belarus
• Study Site 37503 — Minsk District, Belarus

• PRA Health Sciences — Lenexa, Kansas, United States

• Academic Centre for General Practice — Leuven, Belgium

Not specified

• Tuğba Atan — Çorum, Turkey (Türkiye)

• University of Alabama Eye Center — Birmingham, Alabama, United States
• Doctor My Eyes / Stephen Cohen, OD, PC — Scottsdale, Arizona, United States
• Schwartz Laser Eye Center — Scottsdale, Arizona, United States
• Milton M. Hom, OD FAAO FACAA (Sc) — Azusa, California, United States

Not specified

• The Methodist Hospital — Houston, Texas, United States

Not specified

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