1. Center for Cancer Prevention and Drug Development Department of Medicine Hematology/Oncology Section University of Oklahoma Health Sciences Center (OUHSC) Oklahoma City OK USA
2. Stephenson Cancer Center Department of Medicine Hematology/Oncology Section University of Oklahoma Health Sciences Center (OUHSC) Oklahoma City OK USA
3. Department of Ophthalmology University of Oklahoma Health Sciences Center (OUHSC) Oklahoma City OK USA