1 Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
2 Department of Public Health Sciences, Karolinska Institutet, Solna, Sweden.
3 Internal Medicine Residency Program, Department of Medicine, Cleveland Clinic, Cleveland, OH, USA.
4 Universidad Central de Venezuela, Instituto de Medicina Tropical and Coordinación de Salud de Sucre, Caracas, 1030, Venezuela. Electronic address: juliocastrom@gmail.com.