1. Department of Microbiology and Immunology Pennsylvania State College of Medicine Hershey Pennsylvania USA
2. Department of Microbiology and Molecular Biology Brigham Young University Provo Utah USA
3. Department of Ophthalmology Pennsylvania State College of Medicine Hershey Pennsylvania USA
4. Department of Otolaryngology Pennsylvania State College of Medicine Hershey Pennsylvania USA
5. Department of Surgery Pennsylvania State College of Medicine Hershey Pennsylvania USA