Affiliation: | 1.Department of Public Health, College of Medicine and Health Sciences, Adigrat University, Tigray, Adigrat, Ethiopia ;2.Department of Preventive Medicine, School of Public Health, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia ;3.Radiotherapy Center, School of Medicine, Addis Ababa University, Addis Ababa, Ethiopia ;4.Department of Public Health, College of Medicine and Health Sciences, Wachemo University, Hossana, Ethiopia ;5.Medicine, Brigham and Women’s Hospital, Boston, MA, USA ;6.Institute for Medical Epidemiology, Biostatistics and Informatics, Martin-Luther-University, Halle-Wittenberg, Halle, Germany ;7.Surveillance and Health Services Research, American Cancer Society, Atlanta, GA, USA ; |