... of Duisburg-Essen,Hufelandstraße 55, 45147 Essen, Germany.Authors’ contributionsXJ and HJ have made substantial contributions to acquisition of data and analysis and interpretation of data, ... substantial contributions to conception and design, analysis and interpretation of data, have been involved in drafting the manuscript and revising it critically for important intellectual content, ... Priemel M, Haberland M, Schilling AF, Catala-Lehnen P,Blicharski D, Rueger JM, Gagel RF, Emeson RB, Amling M: Decreased boneformation and osteopenia in mice lacking alpha-calcitonin gene-relatedpeptide....