1 Faculty of Medicine, Fayoum University, Fayoum, Egypt; Medical Research Group of Egypt (MRGE), Negida Academy, Arlington, MA, USA.
2 Massachusetts General Hospital, Corrigan Minehan Heart Center, Harvard Medical School, Boston, MA, USA.
3 Clinical Epidemiology and Biostatistics Program, Faculty of Health Sciences, Universidad Científica del Sur, Lima, Peru; Infectious and Tropical Diseases Service, Hospital Nacional Dos de Mayo, Lima, Peru.
4 Clinical Epidemiology and Biostatistics Program, Faculty of Health Sciences, Universidad Científica del Sur, Lima, Peru; Grupo de Investigación Biomedicina, Facultad de Medicina, Fundación Universitaria Autónoma de las Américas-Institución Universitaria Visión de las Américas, Pereira 660003, Colombia; Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut, Lebanon. Electronic address: [email protected].