1. Dept. of Food Science & Technology; Virginia Tech; 1230 Washington St Blacksburg VA 24061 U.S.A
2. School of Behavioral and Brain Sciences; Univ. of Texas-Dallas; 800 West Campbell Rd Richardson TX 75080 U.S.A
3. Viticulture & Enology Program; Washington State Univ.; Richland WA 99354 U.S.A
4. Dept. of Viticulture & Enology; University of California-Davis; One Shields Ave Davis CA 95616 USA