Authors: Jennifer L Etnier; Jeffrey D Labban; William B Karper; Laurie Wideman; Aaron T Piepmeier; Chia-Hao Shih; Michael Castellano; Lauren M Williams; Se-Yun Park; Vincent C Henrich; William N Dudley; Kelli L Rulison Journal: J Aging Phys Act Date: 2015-01-16 Impact factor: 1.961