¹Departments of Medicine and Biochemistry and Molecular Pharmacology, Division of Clinical Pharmacology, Thomas Jefferson University, Philadelphia, Pa and the Departments of Medicine and Pharmacology, Division of Cardiovascular Diseases and Clinical Pharmacology, Mayo Clinic, Mayo Foundation, Rochester, Minn

Correspondence: Scott A. Waldman, MD, PhD, FCP, Division of Clinical Pharmacology, Departments of Medicine and Biochemistry and Molecular Pharmacology, Thomas Jefferson University, 132 South l0th Street, 1170 Main, Philadelphia, PA 19107 E-mail: scott.waldman@mail.tju.edu

^*Drs Waldman and Terzic are, respectively, the immediate past and present chairs of the Molecular Therapeutics Section of the American Society for Clinical Pharmacology and Therapeutics.

Received 14 June 1999; Accepted 21 June 1999.