1. Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, Ohio, USA
2. Division of Medicinal Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio, USA
3. Present address: Department of Cancer Biology, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
4. Division of Medical Oncology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, Ohio, USA
5. Comparative Pathology and Mouse Phenotyping Shared Resource, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
6. Institute of Basic Medical Sciences, National Cheng-Kung University, Tainan, Taiwan, China