[1] Maastricht Univ, Med Ctr, Dept Trauma Surg, Maastricht, Netherlands
[2] Maastricht Univ, Dept Gen Practice, Maastricht, Netherlands
[3] Maastricht Univ, Med Ctr, Dept Internal Med, Maastricht, Netherlands
[4] Isala Klin, Dept Trauma Surg, Zwolle, Netherlands
[5] Maastricht Univ, Med Ctr, Dept Orthopaed Surg, Maastricht, Netherlands
[6] Maastricht Univ, Dept Stat, Maastricht, Netherlands
[7] Garvan Inst Med Res, Osteoporosis & Bone Biol Program, Sydney, NSW, Australia
[8] Univ Hasselt, Biomed Res Inst, Diepenbeek, Belgium