Icahn School of Medicine at Mount Sinai, New York, New York. Electronic address: lebwohl@aol.com. University of California, San Francisco, California. Henry Ford Hospital, Detroit, Michigan. Virginia Clinical Research Inc, Norfolk, Virginia. Ortho Dermatologics, Bridgewater, New Jersey. Dow Pharmaceutical Sciences Inc (division of Valeant Pharmaceuticals, North America LLC), Petaluma, California. Valeant Pharmaceuticals, Bridgewater, New Jersey.