C.  Weaver, Kennedy, R., W. Erdley, S., Kim, J., Chang, P., Schrader, U., and Maag, M., ?Health Care in 2020?, in Studies in Health Technology and Informatics, P.  Murray, Park, H. - A., Erdley, S. E., and Kim, J., Eds. Amsterdam [u.a.]: IOS Press, 2007, pp. 73 - 83.