Authors: Joris J Harlaar; Eva B Deerenberg; Gabrielle H van Ramshorst; Harold E Lont; Ed C M H van der Borst; Willem R Schouten; Joos Heisterkamp; Helena C van Doorn; Huib A Cense; Frits Berends; Hein B A C Stockmann; Wietske W Vrijland; Esther C J Consten; Reyer T Ottow; Peter M N Y H Go; John J Hermans; Ewout W Steyerberg; Johan F Lange Journal: BMC Surg Date: 2011-08-26 Impact factor: 2.102