Retinal and Ophthalmic Consultants, Houston, Texas, United States
Palm Beach Eye Center, Atlantis, Florida, United States
National Ophthalmic Research Institute, Fort Myers, Florida, United States
Centro Hospitalar de Lisboa Norte - Hospital Santa Maria, Lisboa, Portugal
Antiguo Hospital Civil de Guadalajara "Fray Antonio Alcalde", Guadalajara, Jalisco, Mexico
Pulmocritic, Guadalajara, Jalisco, Mexico
Boston Medical Center, Boston, Massachusetts, United States
University of Pittsburgh Medical Center Health System, Pittsburgh, Pennsylvania, United States
Johns Hopkins University School of Medicine, Baltimore, Maryland, United States