1. Department of Pathology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Clinical Pathology, Shandong Lung Cancer Institute, Shandong Institute of Nephrology, Jinan, Shandong Province, P.R. China
2. Department of Pathology, The Affiliated Provincial Hospital of Shandong First Medical University, Jinan, Shandong Province, P.R. China
3. Shandong Life Science and Technology Ltd., Dezhou, Shandong Province, P.R. China
4. University of California San Diego, San Diego, CA 92093, USA
5. Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC 20007, USA