Claus Hamann1
, Kevin Volkan2
, Mary B Fishman3
, Ronald C Silvestri4
, Steven R Simon5
and Suzanne W Fletcher5 
1Geriatric Medicine Unit, Massachusetts General Hospital, 100 Charles River Plaza, Fifth Floor, Boston MA, USA
2Program in Psychology, California State University Channel Islands, Professional Building, University Drive, Camarillo, CA 93012, USA
3Division of General Internal Medicine, Georgetown University Medical Center, 3800 Reservoir Rd. NW, Washington DC 20007, USA
4Department of Medicine, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA 02215, USA
5Department of Ambulatory Care and Prevention, Harvard Medical School and Harvard Pilgrim Health Care, 133 Brookline Avenue, Sixth Floor, Boston, MA, 02215, USA