1. a The Procter & Gamble Company, Miami Valley Laboratories , Cincinnati, OH 45253–8707
2. b The Procter & Gamble Company, Miami Valley Laboratories , Cincinnati, OH 45253–8707
3. c The Hospital for Special Surgery , New York, NY 10021
4. d The Hospital for Special Surgery , New York, NY 10021
5. e Rutgers University, Department of Chemistry , Newark, NJ 07102