1 National School of Public Health, Madrid, Spain; Department of Global Health, Latin American School of Medicine, La Habana, Cuba; Department of Global Health, Autonomous University of Chiapas, Tuxtla Gutiérrez, Mexico.
2 Faculty of Dentistry, Al-Quds University, Jerusalem, Palestine.
3 Institute of Collective Health, Federal University of Bahia, Salvador 40110-040, Brazil. Electronic address: dianazeballos@gmail.com.
4 Institute of Collective Health, Federal University of Bahia, Salvador 40110-040, Brazil.