Authors: Gautam Sikka; Karen L Miller; Jochen Steppan; Deepesh Pandey; Sung M Jung; Charles D Fraser; Carla Ellis; Daniel Ross; Koenraad Vandegaer; Djahida Bedja; Kathleen Gabrielson; Jeremy D Walston; Dan E Berkowitz; Lili A Barouch Journal: Exp Gerontol Date: 2012-11-13 Impact factor: 4.032