Project feasibility The study is performed in an internationally acknowledged research environment at department of urology, Aarhus University Hospital, Skejby. Baseline data are collected until approximately May 2017 and follow-up data August 2017. This means that data will be available in time to complete the thesis and a paper for publication. The research year student will be affiliated to the department. All necessary analysis methods are established in the department, and hardware and software will be provided.