1 Division of Hospital Medicine, Department of Internal Medicine, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX. Electronic address: maporres@ttuhsc.edu.
2 Division of Cardiovascular Diseases, Department of Internal Medicine, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX.
3 Division of Hematology, Department of Medicine, and the Department of Epidemiology and Biostatistics, Western University, London, ON, Canada.