1. University of Cincinnati (N.B.W.), Cincinnati, Ohio 45219
2. St. Michael’s Hospital (R.G.J.), University of Toronto, Toronto, Ontario, Canada M5C 2T2
3. East Tennessee State University (R.C.H.), Johnson City, Tennessee 37614
4. St. Peter’s Hospital (R.A.H.), Chertsey KT16 0PZ, United Kingdom
5. Procter & Gamble Pharmaceuticals (M.D.M., I.B.), Mason, Ohio 45040
6. Medical Diagnostics Australia (D.C.), Sydney 2204, Australia
7. Free University Berlin, University Hospital Benjamin Franklin (D.F.), Centre of Muscle and Bone Research, 12200 Berlin, Germany