Reply letter regarding "concerning issues in evaluating the inter-rater reliability. Comment on ' risk factors for underestimation of patient pain in outpatient colonoscopy by ryhlander et al.' by Yu et al."

Affiliations

• ¹ Division of Medical Gastroenterology, Department of Internal Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden.
• ² Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden.
• ³ School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden.