Fu at RTW: Documenting the time when the follow-up examination prior to or after the RTW took place at our institution (including only the patients who had one 7 days prior to or after RTW).%Fu at RTW: Showing how many patients actually had a follow-up examination 7 days prior to or after RTW. CMS, SF-36 and its compounds (PCS, MCS) at time of RTW.