लेखक: Kumar Alagappan

Knox H. Todd, MD, MPH Chacras de Coria, Mendoza, Argentina Former Professor and Founding Chair (retired) Department of Emergency Medicine The University of Texas MD Anderson Cancer Center, Houston, TX USA  Charles R. Thomas, Jr., MD Oregon Health & Science University Knight Cancer Institute Department of Radiation Medicine Portland, OR, USA   Kumar Alagappan, MD The University of Texas MD Anderson Cancer Center Department of Emergency Medicine Houston, TX, USA