Received: 1 February 2018
Accepted: 21 August 2018
First Online: 22 September 2018
Compliance with ethical standards
: DL Kendler: Received research grants from Amgen Inc., Eli Lilly, Astellas, and AstraZeneca; consulting fees from Amgen Inc. and Eli Lilly; and honoraria from Amgen Inc., Pfizer, Eli Lilly, and Merck.A Chines and A Wang: Employees of and stockholders in Amgen Inc.ML Brandi: Received honoraria from Amgen, Bruno Farmaceutici, and Kyowa Kirin; received academic grants and/or was a speaker for Abiogen, Alexion, Amgen, Bruno Farmaceutici, Eli Lilly, Kyowa Kirin, MSD, NPS, Servier, Shire, and SPA; served as a consultant to Alexion, Bruno Farmaceutici, Kyowa Kirin, Servier, and Shire.S Papapoulos: Received consulting fees or lecture fees as an advisory group member or speaker from Amgen Inc. and Merck & Co. Received consulting fees as an ad hoc consultant from Axsome, Gador, and UCB. Received consulting fees as an advisory group member from Radius Health. Received speaking fees from Teva.EM Lewiecki: Received consulting fees or grants as a member of a medical advisory board or study investigator from/for Amgen Inc., Merck & Co., Eli Lilly, and Radius.J-Y Reginster: Received consulting fees or paid advisory boards from IBSA-Genevrier, Mylan, Radius Health, and Pierre Fabre. Received lecture fees when speaking at the invitation of sponsor from IBSA-Genevrier, Mylan, Cniel, and Dairy Research Council (DRC). Received grant support (all through institution) from IBSA-Genevrier, Mylan, Cniel, and Radius Health.M Muñoz Torres: Received lecture fees from Lilly and consulting fees as a member of a medical advisory board member from Amgen Inc.HG Bone: Received consulting fees from Amgen Inc., Merck, Radius, and Shire. Received lecture fees from Amgen Inc. and Shire. Received research grants as an investigator from Amgen Inc., Merck, and Shire. Received fees as a data safety monitoring board member from Grunenthal.