Corrigendum to "Static structural analysis of different stem designs used in total hip arthroplasty using finite element method" [Heliyon Volume 5, Issue 6, June 2019, Article e01767]. Issue 1 (January 2020) - K.N., Chethan; Zuber, Mohammad; Bhat N., Shyamasunder; Shenoy B., Satish; R. Kini, Chandrakant