Department for Orthopedy, Trauma and Reconstructive Surgery, Section of Geriatric Traumatology, University Hospital Halle (Saale), Halle
Department of Endocrinology, Reproductive Medicine and Osteology Clinic for Gynecology and Obstetrics, University Hospital of Giessen and Marburg, Marburg
Netherlands
VieCuri Medisch Centrum, Department of Internal Medicine, Venlo, Venlo