1 Emergency Department, Hospital Universitario HM Sanchinarro, Madrid, Spain; Department of Genetic Medicine, Weill Cornell Medical College, New York, NY 10065. Electronic address: pablocardinal@hotmail.com.
2 Intensive Care Unit, Hospital Universitario HM Sanchinarro, Madrid, Spain.
3 Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Linkou, No. 5, Fu-Shing St, Kwei-Shan, Taoyuan, 886, Taiwan.