Satish Shanbhag1, Vinay Prasad2. 1. Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA. 2. Division of Hematology Oncology in the Knight Cancer Institute, USA; Department of Public Health and Preventive Medicine, Oregon Health & Science University, Portland, OR, USA. Electronic address: prasad@ohsu.edu.