Conception and design: Sawaya, Patel, Suki. Acquisition of data: Patel, Suki, Hatiboglu, Rao, Fox. Analysis and interpretation of data: all authors. Drafting the article: Sawaya, Patel, Suki. Critically revising the article: all authors. Reviewed submitted version of manuscript: Sawaya, Patel, Hatiboglu, Rao, Fox. Approved the final version of the manuscript on behalf of all authors: Sawaya. Statistical analysis: Patel, Suki. Study supervision: Sawaya.
Sukharamwala PThoens JSzuchmacher MSmith JDeVito P: Advanced age is a risk factor for post-operative complications and mortality after a pancreaticoduodenectomy: a meta-analysis and systematic review. HPB (Oxford) 14:649–6572012. [Erratum in HPB (Oxford) 14: 877 2012]