1. School of Nursing, Universidad Andrés Bello, Santiago 8370134, Chile
2. School of Medicine, Universidad de Chile, Santiago 9170022, Chile
3. Sistema de Bibliotecas UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
4. Clinical Research Center, Institute of Science and Innovation in Medicine, Facultad de Medicina, Clinica Alemana Universidad del Desarrollo, Santiago 7610315, Chile