[1] Radboud Univ Nijmegen, Med Ctr, Dept Surg, NL-6525 GA Nijmegen, Netherlands
[2] St Elizabeth Hosp, Dept Surg, Tilburg, Netherlands
[3] Tilburg Univ, Ctr Res Psychol Somat Dis, NL-5000 LE Tilburg, Netherlands
[4] St Elizabeth Hosp, Dept Med Psychol, Tilburg, Netherlands
[5] Radboud Univ Nijmegen, Med Ctr, Dept Gastroenterol, NL-6525 GA Nijmegen, Netherlands
[6] St Elizabeth Hosp, Dept Educ & Res, Tilburg, Netherlands
[7] Radboud Univ Nijmegen, Med Ctr, Dept Epidemiol Biostat & Hlth Technol Assessment, NL-6525 GA Nijmegen, Netherlands
[8] Radboud Univ Nijmegen, Med Ctr, Dept Operating Rooms Evidence Based Surg, NL-6525 GA Nijmegen, Netherlands