title: From the editor's desk: the clustering of America, and the conundrum of caring for the complex adult.
authors: Malathi
authors: M
authors: Srinivasan
authors: Mitchell D
authors: MD
authors: Feldman
mesh_terms: D000328:Adult; D000367:Age Factors; D016000:Cluster Analysis; D006801:Humans; D005791:Patient Care / Q000191:economics / Q000379:methods*; D012959:Socioeconomic Factors; D035862:Vulnerable Populations