1. Department of Public Health, School of Medicine, Universidad de los Andes , Carrera 1 #18ª-12, Bogotá , Colombia
2. Department of Industrial Engineering, School of Engineering, Universidad de los Andes , Carrera 1 #18ª-12, Bogotá , Colombia
3. Department of Psychology, Universidad de los Andes , Carrera 1 #18ª-12, Bogotá , Colombia
4. Department of Epidemiology and Population Health, Stanford University School Medicine , Stanford, CA 94305 , USA
5. Division of Primary Care and Population Health, Department of Medicine, Stanford University School of Medicine , Stanford, CA 94305 , USA
6. Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine , Stanford, CA 94305 , USA