Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53453#.VMWzECzQrzE Author(s) Harold G. Koenig 1,2,3,4* , Bruce Nelson 5 , Sally F. Shaw 5 , Faten Al Zaben 6 , Zhizhong Wang 7 , Salil Saxena 8 Affiliation(s) 1 Department of Psychiatry & Behavioral Sciences, Duke University Medical Center, Durham, USA . 2 Department of Medicine, Duke University Medical Center, Durham, USA . 3 Department of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia . 4 School of Public Health, Ningxia Medical University, Yinchuan, China . 5 Department of Research, Glendale Adventist Medical Center, Glendale, USA . 6 Department of Psychiatry, King Abdulaziz University, Jeddah, Saudi Arabia . 7 Department of Epidemiology and Statistics, School of Public Health, Ningxia Medical University, Yinchuan, China . 8 Center for Aging, Duke University, Durham, USA . ABSTRACT Objective: Our goal was to develop a comprehensive measur...
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