Prescriptive persuasion and open-ended social awareness: expanding the design space of mobile health. - Eric P. S. Baumer; Sherri Jean Katz; Jill E. Freeman; Phil Adams; Amy L. Gonzales; John P. Pollak; Daniela Retelny; Jeff Niederdeppe; Christine M. Olson; Geri K. Gay (CSCW, 2012)