Zimmer, Z., Jagger, C., Chiu, C.-T., Ofstedal, M. B., Rojo, F., & Saito, Y. (2016). Spirituality, religiosity, aging and health in global perspective: A review. SSM - Population Health, 2, 373-381. doi: https://doi.org/10.1016/j.ssmph.2016.04.009