Zielinski, S.M.

trial study patient netherland number fracture period hospital country ethic hip fractures incidence coordinator research investigator center hip fracture committee university trial coordinator screening approval trial period admission protocol population inclusion health screening period review canada incidence rates women study period multicenter nl vs dutch ethics review committee guideline trend percentage table faith rotterdam month follow-up hip fracture-related hospitalizations person hospital admissions surgeon sponsor ich-gcp change faith trial ethics approval treatment group registry bhandari canadian event osteoporosis erasmus mc $65 years site pi study protocol consent form subject bhandari m zielinski age-adjusted incidence rates ethics /irb approval quality statistic procedure center rotterdam hospital days randomized statistics netherlands difference