Affiliation: | (1) Abteilung Medizinische Genetik der Universität Ulm, D-89069 Ulm, Germany;(2) Bone Research Branch, National Institute of Dental Research, NIH, Building 30, Room 106, 20892 Bethesda, MD, USA;(3) Present address: Kinderklinik, Universitätsklinikum Charité, D-10098 Berlin, Germany |