<qa>  What is the last person included in the study?SCREENING AND TIME COURSE Men and women, who are investigated at Department of Orthopedics at Hvidovre hospital will be screened for eligibility to the study. Those who meet the criteria for participation will be informed, and if they consent allocated to the study. The study will be initiated January 2015 and ends when the last person has been included latest April 2015. 