1. Russell H. Morgan Department of Radiology and Radiologic Science; Johns Hopkins School of Medicine; Baltimore MD USA
2. Department of Radiology; University of Wisconsin School of Medicine and Public Health; Madison WI USA
3. Department of Medical Physics; University of Wisconsin; Madison WI USA
4. Carbone Cancer Center; University of Wisconsin; Madison WI USA
5. Epic Systems; Verona WI USA
6. Emory University School of Public Health; Atlanta GA USA