Investigation, treatment and monitoring of late-onset hypogonadism in males

UCLA Medical Center, University of Münster, University of California, Los Angeles, Martin Luther University Halle-Wittenberg, Tulane University, Vrije Universiteit Amsterdam, Amsterdam UMC Location VUmc, Ghent University Hospital, Ziekenhuis Oost-Limburg, Centre Hospitalier Universitaire de Liège, University of Liège, Bar-Ilan University, Queen's University, St. Louis VA Medical Center, UCLouvain Saint-Louis Brussels, Erasmus Hospital, Université Libre de Bruxelles, The University of Texas Health Science Center at San Antonio, University of Giessen, Universitätsklinikum Gießen und Marburg, University of Manchester