Quintana Y, Crotty B, Fahy D, Orfanos A, Jain R, Kaldany E, Lipsitz L, Engorn D, Rodriguez J, Pandolfe F et al..  2017.  InfoSAGE: Use of Online Technologies for Communication and Elder Care.. Stud Health Technol Inform. 234:280-285.

Slack CW, Slack WV.  2011.  The united countries of America: benchmarking the quality of US health care.. Mayo Clin Proc. 86(8):788-90.