HealthData Management reports that three major provider associations (American Heart Association, American Medical Association, Healthcare Information Management and Systems Society) have combined with DHX Group, an advisory firm, for the purpose of developing and promoting best practices for mobile health applications. The new alliance is called Xcertia and is operating as a non-profit. According to data cited by Xcertia in their announcment, the chronically ill comprise the largest single user group for mobile health apps at 31 percent. Health/fitness users and physicians follow at 28 percent and 14 percent respectively. Read the full story here.