1. Department of Biochemistry, Cellular and Molecular Biology, The University of Tennessee, Knoxville, TN 37996-0840
2. Graduate School of Genome Science and Technology, The University of Tennessee, Knoxville, TN 37996-0840
3. Molekulare Zellphysiologie, Fakultät Biologie, Universität Bielefeld, D-33615 Bielefeld, Germany