1. Department of Graduate Studies in Health Sciences, Epidemiology Program, Universidad Autónoma de Bucaramanga, Bucaramanga
2. School of Medicine, Universidad de Cartagena, Cartagena
3. Fac Ciències Salut Blanquerna, Univ Ramon Llul, Barcelona, Spain
4. Medical and Surgical Research Center, Future Surgeons Chapter, Colombian Surgery Association, Bogotá, Colombia
5. International Coalition on Surgical Research, Faculty of Medical Sciences, Universidad Nacional Autónoma de Nicaragua, Managua, Nicaragua
6. DeWitt Daughtry Family Department of Surgery, Breast Surgical Oncology Division and Jackson Health System/University of Miami Miller School of Medicine, Miami, Florida, USA