[1] Katholieke Univ Leuven, Louvain, Belgium
[2] Oregon Osteoporosis Ctr, Portland, OR USA
[3] Univ Sheffield, Sheffield S10 2TN, S Yorkshire, England
[4] Amer Univ Beirut, Beirut, Lebanon
[5] Procter & Gamble Pharmaceut UK, Staines, England
[6] INSERM Unit 403, Lyon, France