Taylor & Francis
Elsevier
Escola Bahiana de Medicina e Saúde Pública
Egyptian Electronic Publisher
University of Alberta
Gleam Publishing
RCVS Knowledge
Baqiyatallah University of Medical Sciences
Université Laval; Université de Montréal
Universidad Francisco de Paula Santander
Universidad de La Frontera
Library & Knowledge Services and Nursing & Health Sciences Research Departments
Tabriz University of Medical Sciences
Case Western Reserve University
Journal Center, Chongqing University Cancer Hospital