Bruce Rapkin , Elisa Weiss , Rosy Chhabra , Laura Ryniker , Shilpa Patel , Jason Carness , Roberto Adsuar , Wendy Kahalas , Carol DeLaMarter , Ira Feldman , Judy DeLorenzo and Ellen Tanner
Health and Quality of Life Outcomes 2008, 6:20doi:10.1186/1477-7525-6-20