Social networks for improving healthy weight loss behaviors for overweight and obese adults: A randomized clinical trial of the social pounds off digitally (Social POD) mobile app. - Sarah Hales; Gabrielle M. Turner-McGrievy; Sara Wilcox; Arjang Fahim; Rachel E. Davis; Michael N. Huhns; Homayoun Valafar (Int. J. Medical Informatics, 2016)