edited by Jakob Zinsstag, Swiss Tropical and Public Health Institute, Basel, Switzerland, University of Basel, Basel, Switzerland ; Esther Schelling, Swiss Tropical and Public Health Institute, Basel, Switzerland, University of Basel, Basel, Switzerland ; David Waltner-Toews, University of Guelph, Canada ; Maxine Whittaker, University of Queensland, Australia ; and Marcel Tanner, Swiss Tropical and Public Health Institute, Basel, Switzerland, University of Basel, Basel, Switzerland