1. Department of Physical and Structural Chemistry, SmithKline Beecham Pharmaceuticals, 709 Swedeland Road, King of Prussia, PA 19406, USA
2. Department of Bone and Cartilage Biology, SmithKline Beecham Pharmaceuticals, 709 Swedeland Road, King of Prussia, PA 19406, USA
3. Scanco Medical, Auenring 6-8, CH-8303 Bassersdorf, Switzerland
4. Department of Laboratory Animal Sciences, SmithKline Beecham Pharmaceuticals, 709 Swedeland Road, King of Prussia, PA 19406, USA